Who Is It For?

Tired of struggling with backpacks that don’t fit right or fall apart on the trail? Finding the right running backpack can make your outdoor adventures smoother and more enjoyable. Therefore, this review compares multiple options to help you choose the best one based on performance, value, and user experience. We recommend the Outdoor Vitals Skyline Fastpack (Similar on Amazon: WTiger Canvas Backpack with 15.6″ Laptop Compartment -…See PriceProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk or amazom.com at the time of purchase will apply to the purchase of this product.) for its comfort and versatility in various conditions.
Reviewed Backpack Models


When choosing a running backpack, it’s essential to compare different models to find the best fit for your needs. Here we look at three popular options: the ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20, the MAMMUT AENERGY 18, and the NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK (Similar on Amazon: Waterfly Foldable Lightweight Hiking Backpack: 25L…See PriceProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk or amazom.com at the time of purchase will apply to the purchase of this product.). Each has unique features that can help you decide.
The ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20See PriceProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk or amazom.com at the time of purchase will apply to the purchase of this product. is great for long runs because it’s lightweight and has a 20-liter capacity. On the other hand, the MAMMUT AENERGY 18 is slightly smaller at 18 liters. It’s designed for technical activities, making it suitable for more challenging sports. Lastly, the NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK offers the most space at 25 liters, perfect for day hikes where you need to carry extra gear.
In choosing between these backpacks, consider what activities you will be doing and how much gear you need to bring. Each model has something special to offer, whether it’s lightweight performance or extra space for all your essentials.
| Product | Capacity | Weight | Best For |
|---|---|---|---|
| ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 | 20L | Lightweight | Long runs, hiking |
| MAMMUT AENERGY 18 | 18L | — | Technical activities |
| NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK | 25L | — | Day hikes, carrying extra gear |
Design, Build Quality & Comfort
When choosing a backpack, design, build quality, and comfort are key factors to consider. A well-designed backpack can make your adventures enjoyable and hassle-free. However, different backpacks offer unique features that cater to various needs and preferences.
For example, some backpacks are lightweight and breathable, while others focus on durability and weather resistance.
Comfort can also vary greatly, depending on how well the backpack fits your body. Additionally, the accessibility of pockets plays a significant role in how easily you can reach your gear during your activities. (TARION 15L Waterproof Backpack Review: Best for Photographers)
- Lightweight materials for easy carrying
- Breathable fabrics to keep you cool
- Adjustable straps for a snug fit
- Multiple pockets for organized storage
Materials and Weight Comparison
When choosing a running backpack, materials, durability, and weight are critical factors. A backpack made from strong materials can handle rough handling and last longer. Let’s look at a few options to see how they compare.
The ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 is crafted from high-quality nylon, making it durable yet lightweight. This model is designed for comfort, weighing less than many other packs, which is great for long runs.
In contrast, the NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK is made from a blend of materials that offers good water resistance while still being lightweight. It is slightly heavier than the ULTIMATE DIRECTION FASTPACK but provides extra durability for rough weather conditions.
The EXPED SKYLINE 20 (Similar on Amazon: Exped Typhoon 25 Backpack One Size Black£65.00Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk or amazom.com at the time of purchase will apply to the purchase of this product.) also uses durable fabrics, providing a good balance of weight and strength. It can hold up well against wear and tear, making it suitable for various outdoor activities.
| Product | Material | Weight | Durability |
|---|---|---|---|
| ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 | Nylon | Lightweight | High |
| NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK | Water-resistant blend | Moderate | High |
| EXPED SKYLINE 20 | Durable fabric | Moderate | High |
In summary, if you need something lightweight for running, the ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 might be your best choice. For those who want a bit more durability in wet conditions, the NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK is a solid option. Meanwhile, the EXPED SKYLINE 20 offers a good balance of durability and weight, making it versatile for various outdoor adventures.
Storage Capacity & Organization
Storage capacity and organization are key when choosing a backpack for your adventures. A well-organized backpack can make your journey smoother and more enjoyable. Therefore, understanding how different backpacks handle storage will help you find the best fit for your needs.
Here are some important features to consider: (MOUNTAINTOP 40L Backpack Review: Ideal for Outdoor Adventures)
- Multiple compartments for easy access to gear
- Hydration reservoirs or pockets for water bottles
- Adjustable straps for a snug fit
- Lightweight materials for comfort during long runs
Packing Efficiency and Pocket Count

When choosing a running backpack, the way it organizes your gear is really important. You want to find pockets that help you stay organized and make packing easier. Let’s look closely at three backpacks: ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20, NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK, and GOSSAMER GEAR GRIT 28L FASTPACK (Similar on Amazon: Gear Gem 28L Capacity Military Tactical Backpacks Molle…See PriceProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk or amazom.com at the time of purchase will apply to the purchase of this product.).
The ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 offer various compartments, making it easy to store everything from water bottles to snacks. They have dedicated pockets for hydration and quick-access items, which is great during a run.
In contrast, the NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK has a spacious main compartment, but it lacks the extra pockets found in the ULTIMATE DIRECTION packs. This can be a downside if you like to keep smaller items separated.
The GOSSAMER GEAR GRIT 28L FASTPACK is known for its excellent packing efficiency. It has multiple pockets and a large main compartment that can hold more gear than the other two. However, it may be bulkier to wear on longer runs compared to the sleeker design of the other backpacks.
| Product | Key Features | Pocket Count | Capacity |
|---|---|---|---|
| ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 | Multiple compartments, hydration pockets | 5 | 20L |
| NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK | Spacious main compartment | 3 | 25L |
| GOSSAMER GEAR GRIT 28L FASTPACK | Large main compartment, multiple pockets | 4 | 28L |
In summary, if you need a lot of organization with various pockets, the ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 might be best for you. If you want more space but can manage with fewer pockets, consider the NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK. Lastly, for excellent packing efficiency, the GOSSAMER GEAR GRIT 28L FASTPACK is a strong contender.
Laptop Storage and Special Features
When looking for a running backpack, storage for a laptop and special features can make a big difference. Let’s compare a few backpacks to see which one might be the best fit for you.
The ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 is great for storing essentials. It has multiple pockets, but it doesn’t have a specific laptop compartment. This means it might not be the best choice if you need to carry a laptop securely.
On the other hand, the NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK is designed with a dedicated laptop sleeve. This makes it a better option for students or professionals who need to transport their devices. Additionally, it offers a good amount of space for other gear.
Another strong option is the EXPED SKYLINE 20. It also features a laptop pocket and has extra storage for other items. This backpack stands out because of its lightweight design and comfortable fit, making it suitable for both running and daily use.
In summary, if you need a backpack for carrying a laptop, the NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK is your best choice. However, if you want something lightweight and versatile, the EXPED SKYLINE 20 is also a great option.
Comfort & Carrying Performance
Comfort and carrying performance are essential for any athletic backpack. A well-fitted backpack can make your adventures enjoyable, allowing you to focus on your activity rather than discomfort. Therefore, comparing the design, fit, and weight distribution of different backpacks reveals how they support your journey.
- Some backpacks offer adjustable straps for a personalized fit.
- Others emphasize lightweight materials for easier movement.
- Many designs include hydration compartments for quick access to water.
- Some models feature multiple pockets to keep gear organized.
Shoulder Straps and Ergonomics

When choosing a running backpack, it’s important to consider shoulder straps, back padding, and overall ergonomics. These features affect how comfortable the backpack feels during your adventures. Let’s look at three popular choices: the Outdoor Vitals Skyline Fastpack, the ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20, and the MAMMUT AENERGY 18See PriceProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk or amazom.com at the time of purchase will apply to the purchase of this product..
The Outdoor Vitals Skyline Fastpack is designed for comfort. It has adjustable shoulder straps that help fit different body shapes. Additionally, it offers nice back padding, which helps reduce pressure when you carry it for long periods.
The ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 also focus on comfort with padded shoulder straps. This pack is lightweight, making it easy to carry, and it features breathable mesh for airflow, which is great for hot days. However, it may not fit everyone perfectly due to its design.
On the other hand, the MAMMUT AENERGY 18 provides a snug fit with its ergonomic shape. It has a good balance of padding and support, making it suitable for both short runs and longer hikes. However, it might feel a bit tighter for some users compared to the other options.
| Product | Shoulder Strap Type | Back Padding | Ergonomics |
|---|---|---|---|
| Outdoor Vitals Skyline Fastpack | Adjustable, padded | Good padding | Comfortable fit |
| ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 | Padded, lightweight | Breathable mesh | Lightweight, but fit varies |
| MAMMUT AENERGY 18 | Snug, ergonomic | Moderate padding | Good for short and long use |
In summary, the Outdoor Vitals Skyline Fastpack is great for adjustments and comfort. The ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 is lightweight and breathable, while the MAMMUT AENERGY 18 offers a snug fit. Choose based on what feels best for your body and activities!
Weight Distribution and Everyday Use
When choosing a backpack, weight distribution and everyday use are very important. A well-balanced backpack helps you carry your items comfortably without straining your back. Let’s compare a few popular options.
First, the ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 are designed for adventure lovers. They fit snugly to your body, helping to distribute weight evenly. This makes them great for long hikes or quick runs. However, they might not have as much storage space compared to others.
Next, the NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK is versatile and perfect for everyday use. It offers a larger capacity, making it easier to carry extra gear. The weight is well-distributed, so you won’t feel overwhelmed, even with a full load.

Finally, the CAMELBAK OCTANE 12 (Similar on Amazon: Camelbak Mini M.U.L.E. 1.5L Backpack, Deep SeaSee PriceProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk or amazom.com at the time of purchase will apply to the purchase of this product.) is lightweight and ideal for short excursions. It’s easy to pack and can hold just what you need for a quick outing. However, its smaller size means it may not be suitable for longer trips.
| Product | Best For | Capacity | Weight Distribution | Everyday Use |
|---|---|---|---|---|
| ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 | Adventure Lovers | 20L | Excellent | Good for long hikes |
| NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK | Everyday Use | 25L | Very Good | Great for daily activities |
| CAMELBAK OCTANE 12 | Short Excursions | 12L | Good | Perfect for quick outings |
In summary, if you want a backpack for adventures, the ULTIMATE DIRECTION FASTPACK is a great choice. For daily use with more storage, consider the NEMO RESOLVE. Lastly, for light and quick trips, the CAMELBAK OCTANE is the way to go.
Travel & Practical Features
When exploring the great outdoors or running through city streets, having the right backpack can make a big difference. Many options are available, each designed to keep your gear safe and accessible while you move. Therefore, it’s essential to compare features like fit, comfort, and hydration capacity to find the perfect match for your adventures. (Comprehensive Army Backpack Review: First Strike Patrol Pack 40L)
- Look for hydration systems to stay refreshed on long runs.
- Check pocket accessibility for quick access to essentials.
- Consider size and weight for easy carrying.
- Evaluate comfort features for a secure fit during movement.
Water Resistance Features
When choosing a backpack, it’s important to consider how well it can protect your belongings from water and how secure it keeps your items. Let’s look at a few options that stand out in these areas.
The ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 are designed for outdoor adventures. They have a water-resistant material that helps keep your gear dry in light rain. However, they do not come with a built-in rain cover, so if you expect heavy rain, you might want to plan ahead.
Another option is the NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK. This pack offers excellent water resistance and includes a rain cover to provide extra protection during downpours. It also features secure pockets that keep your valuables safe while you’re on the move.
Lastly, the CAMELBAK OCTANE 12 is lightweight and has water-resistant fabric. It’s a good choice for shorter trips where you might encounter some light rain, but it lacks extra security features like hidden compartments.
| Product | Water Resistance | Security Features |
|---|---|---|
| ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 | Water-resistant material | No rain cover |
| NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK | Excellent, with rain cover | Secure pockets |
| CAMELBAK OCTANE 12 | Water-resistant fabric | Basic security features |
In summary, if you often find yourself in wet conditions, the NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK is likely your best bet. However, if you prefer a lighter option for quick outings, consider the ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 or CAMELBAK OCTANE 12.
Airline Compatibility
Choosing the right backpack for air travel can be tricky. You want something that fits under the seat or in the overhead bin without hassle. Here are three backpacks that are great for this purpose.
The ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 is designed to carry everything you need for a day trip. It’s lightweight, making it easy to stow on a plane. However, it may not fit all airline carry-on requirements, so checking the size limits is essential.
The NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK is another great option. With its spacious design, it can hold more than others while still being compact enough for most airlines. This backpack is perfect if you plan to pack a little extra.
The EXPED SKYLINE 20 is also a solid choice for travel. It’s lightweight and fits well as a cabin bag on many airlines. This pack is designed for comfort, making it ideal for long flights or hikes once you land.
| Product | Capacity | Weight | Key Feature |
|---|---|---|---|
| ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 | 20L | Lightweight | Day trip ready |
| NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK | 25L | Moderate | Spacious |
| EXPED SKYLINE 20 | 20L | Lightweight | Comfortable for travel |
In summary, each backpack offers unique benefits. The ULTIMATE DIRECTION FASTPACK is great for light packing, while the NEMO RESOLVE provides extra space. The EXPED SKYLINE balances comfort and portability, making it a strong travel companion. Always check with your airline for specific size requirements to avoid surprises at the gate!
Maintenance & Durability
Maintaining your running backpack is key to its long-lasting performance. With proper care, these backpacks can accompany you on countless adventures. Therefore, let’s explore how different models stand up to wear and tear over time.
- Regular cleaning keeps the fabric fresh and functional.
- Check for wear on straps and zippers to ensure safety.
- Store in a cool, dry place to prevent material degradation.
Cleaning and Wear Resistance
When choosing a backpack, cleaning and wear resistance are key factors. You want a bag that can handle dirt and rough use while being easy to clean. Let’s compare a few options to see how they stack up.
The ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 is designed with durable materials, making it resistant to wear and tear. It’s also easy to wipe clean, which is great for outdoor adventures. Similarly, the NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK offers a water-resistant fabric that can repel dirt and moisture, making it easier to clean after a muddy hike.
In contrast, the MAMMUT AENERGY 18 has a lightweight design but may not be as durable as the others. It can get dirty quickly and requires more careful handling to keep it looking new.
| Product | Material Durability | Cleaning Ease |
|---|---|---|
| ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 | High | Easy to wipe clean |
| NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK | Moderate | Water-resistant, easy to clean |
| MAMMUT AENERGY 18 | Moderate | Requires careful cleaning |
Overall, if you need a backpack that can withstand tough conditions and is easy to clean, the ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 is your best choice. The NEMO RESOLVE is also a solid option, especially for wet conditions. The MAMMUT AENERGY 18 may be better for lighter use where care can be taken.
User Experience Feedback
When it comes to user experience, comfort and functionality are key. Let’s look at how three popular backpacks perform in this area: ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20, MAMMUT AENERGY 18, and NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK.
The ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 is praised for its lightweight design and easy-to-reach pockets. Users appreciate how comfortable it feels during long runs, making it a favorite among runners.
In contrast, the MAMMUT AENERGY 18 has a more compact design, which some users find limiting for carrying extra gear. However, its snug fit and durable materials make it a reliable choice for hiking and climbing.
Meanwhile, the NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK stands out for its spacious interior and versatility. Many users enjoy its ability to hold everything needed for a day out, while also providing comfort and breathability.
In summary, the ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 excels for runners, while the MAMMUT AENERGY 18 is ideal for climbing. The NEMO RESOLVE 25L ENDLESS PROMISE TECHNICAL ACTIVE DAYPACK is best for those needing extra space for day trips. Choose the one that best fits your activity needs!
Value and Final Verdict

When considering the value for money of athletic backpacks, the Outdoor Vitals Skyline Fastpack (Similar on Amazon: WTiger Canvas Backpack with 15.6″ Laptop Compartment -…See PriceProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on amazon.co.uk or amazom.com at the time of purchase will apply to the purchase of this product.) stands out as an excellent choice. This backpack offers a comfortable fit, ample storage, and numerous pockets, making it a great investment for outdoor enthusiasts. Therefore, if you are looking for a reliable backpack for fastpacking or running, the Outdoor Vitals Skyline Fastpack is definitely worth considering.
However, if you explore other options, you might find alternatives like the ULTIMATE DIRECTION FASTPACK 20 AND FASTPACKHER 20 or the MAMMUT AENERGY 18 that also deliver good performance. Still, the Skyline Fastpack provides unique features that enhance its usability and comfort, making it a top contender in the market. Overall, investing in a quality running backpack can significantly improve your outdoor experience.
Frequently Asked Questions
Many athletic backpacks come in various sizes. For example, the Outdoor Vitals Skyline Fastpack is available in small, medium, and large. This helps ensure you find the right fit for your body and the amount of gear you want to carry.
The weight of athletic backpacks can vary. For example, the Outdoor Vitals Skyline Fastpack weighs around 12.8 ounces, making it lightweight for running or hiking. Lighter backpacks are often more comfortable because they bounce less while you move.
The capacity of athletic backpacks is usually measured in liters. For instance, the Outdoor Vitals Skyline Fastpack has a 23-liter capacity, which is perfect for carrying essentials like water, snacks, and a light jacket for a day out. Ensure the backpack is big enough for your adventures.
Many athletic backpacks are made with water-resistant materials. For example, some models have a DWR finish to repel water. It’s a good idea to check if a backpack offers waterproof features if you often run or hike in wet conditions.
Athletic backpacks are great for runners, hikers, and anyone who enjoys outdoor activities. They are designed to fit snugly and minimize bounce, making them comfortable for fast-paced movement. Whether you’re on a day hike or a long run, there’s likely a backpack that suits your needs.
Most athletic backpacks use durable materials like ripstop nylon or polyester. For example, the Outdoor Vitals Skyline Fastpack is made from ripstop materials that are tough and lightweight. These materials help resist wear and tear, extending the life of your backpack.
A good fit is crucial for comfort. You should be able to adjust the shoulder straps, sternum straps, and waist belts for a snug feel. If you can cinch the pack tight without discomfort, it’s likely a good fit for your body type.