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You are here: Home / Backpacks / Osprey Exos 38 Review: Discover Lightweight Comfort Today

Osprey Exos 38 Review: Discover Lightweight Comfort Today

July 29, 2026 by Emily

Quick Verdict
🏆 Best Overall: Osprey Men’s Exos 38 Lightweight Hiking Pack → — Lightweight design and excellent ventilation ensure comfort on any hike
🔥 See Today’s Price on Amazon →See Price (Details)Product 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.

Who Is It For?

Osprey Men's Exos 38 Backpack, Blue Ribbon, S/M

Tired of backpacks that weigh you down or fall apart on the trail? The right backpack can be your lightweight companion for every adventure. Therefore, this review of the Osprey Men’s Exos 38 Lightweight Hiking Pack →See Price (Details)Product 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. will help you find the perfect choice based on performance, value, and features. Also, see how it stands up in real-world user experiences to ease your shopping worries.

For a comfortable and durable hiking experience, we recommend the Osprey Men’s Exos 38 Lightweight Hiking Pack.

Osprey Backpack Comparisons

Osprey Exos Backpack 58l S-M
Osprey Kestrel Men's Backpacking Pack, 38L Small/Medium, Moss Green

When looking for the perfect backpack, it’s helpful to compare a few options. Here are three great models to consider alongside the Osprey Men’s Exos 38 Lightweight Hiking Pack.

The Osprey Exos 58 →See Price (Details)Product 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 slightly larger, holding more gear while remaining lightweight. It is ideal for longer trips where extra space is needed, but it may feel bulkier than the Exos 38. Another option is the Osprey Eja 38, which is designed for women but shares many features with the Exos series. It is also lightweight and well-ventilated, making it comfortable for day hikes or short trips.

In summary, the Osprey Men’s Exos 38 Lightweight Hiking Pack is best for shorter hikes. The Osprey Exos 58 offers more space for longer adventures, while the Osprey Eja 38 (Similar on Amazon: Osprey Kestrel Men’s Backpacking Pack, 38L Small/Medium,… →See Price (Details)Product 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.) provides a comfortable fit for women. Choose the one that matches your hiking needs!

Product Capacity Weight Best For Key Feature
Osprey Men’s Exos 38 Lightweight Hiking Pack 38L 1.2 kg Short trips AirSpeed back system
Osprey Exos 58 58L 1.3 kg Longer trips Extra storage
Osprey Eja 38 38L 1.1 kg Day hikes Women’s fit

Design, Build Quality & Comfort

When it comes to outdoor gear, design and comfort are key for an enjoyable experience. Many packs focus on weight and build quality, making them perfect for long hikes. However, comfort features can make a big difference during extended wear.

  • Ultralight materials help reduce fatigue on long journeys.
  • Ventilated back panels keep you cool and dry.
  • Adjustable straps ensure a personalized fit.

Material Quality and Weight

When choosing a backpack, the materials, durability, and weight are crucial factors. Let’s compare a few popular options to help you decide.

The Osprey Men’s Exos 38 Lightweight Hiking Pack is made from 100D high tenacity nylon ripstop. This material is both lightweight and strong, weighing about 2.5 pounds. It has a trampoline-style back panel that offers great ventilation, making it comfortable for long hikes.

On the other hand, the Osprey Exos 58 is similar in materials and design but has a larger capacity. It weighs slightly more at around 2.6 pounds but provides extra space for more gear, making it ideal for longer trips. Both packs feature durable construction that can withstand rough trails.


Lowe Alpine Sirac Plus 65L Trekking Pack

Lastly, the Lowe Alpine Sirac 40L Trekking Pack →See Price (Details)Product 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 designed for multi-day walking. It is made from water-resistant materials and is built to last. It weighs about 3.4 pounds, which is heavier than the Osprey models but offers practical features that make it a reliable choice for beginners.

Product Material Weight Capacity
Osprey Men’s Exos 38 Lightweight Hiking Pack 100D High Tenacity Nylon Ripstop 2.5 lbs 38L
Osprey Exos 58 100D High Tenacity Nylon Ripstop 2.6 lbs 58L
Lowe Alpine Sirac 40L Trekking Pack Water-resistant materials 3.4 lbs 40L

In summary, if you want a lightweight option, the Osprey Men’s Exos 38 Lightweight Hiking Pack is excellent. However, if you need more capacity, consider the Osprey Exos 58. The Lowe Alpine Sirac 40L is heavier but offers durability for beginners. Choose based on what you need for your adventures!

Storage Capacity & Organization

When planning an adventure, having the right storage capacity and organization in your backpack is essential. A well-organized pack helps you find your gear quickly, making your trip smoother and more enjoyable. (Osprey Exos 38 Review: Lightweight Comfort for Hikers)
Different packs offer various features to help you stay organized.

For example, some have multiple pockets, while others focus on lightweight designs. Here are a few items to consider: (Osprey Exos 58 Review: Lightweight Comfort for Hikers)

  • Large front stretch mesh pocket for quick access
  • Side pockets for water bottles
  • Removable lids for weight reduction
  • Top access for easy packing

Choosing the right pack can make all the difference in your journey. Therefore, look for options that fit your needs and keep your gear organized.

Pocket Design and Access

When choosing a backpack, compartments and pockets are important for keeping your gear organized. The Osprey Men’s Exos 38 Lightweight Hiking Pack is designed with a top-only access main compartment, which keeps it simple and light. It also features a large front stretch mesh pocket, two side mesh pockets for water bottles, and hip belt pockets for snacks. However, it lacks a rain cover, which is something to consider.

The Osprey Exos 58 offers additional storage options with more compartment space. It has two side pockets, one rear pocket, and a top lid pocket, making it easier to organize your gear for longer hikes. Although it weighs slightly more than the Exos 38, the extra capacity can be beneficial for carrying more gear.

In contrast, the Lowe Alpine Sirac 40L Trekking Pack divides its interior into two sections. This means you can keep your sleeping bag separate from your clothes and cooking gear. It also has side stretch mesh pockets, a hip belt pocket, and a large lid pocket for extra storage, but it does not have a designated area for hydration, which could be a drawback.

Product Key Features Compartment Access Pockets
Osprey Men’s Exos 38 Lightweight Hiking Pack Lightweight, top access, good ventilation Top only 1 front mesh, 2 side, 2 hip belt
Osprey Exos 58 More capacity than Exos 38, versatile Top only 2 side, 1 rear, 1 top lid
Lowe Alpine Sirac 40L Trekking Pack Divided interior, practical for beginners Top access Side, hip belt, lid

In summary, the Osprey Men’s Exos 38 Lightweight Hiking Pack is great for simplicity and comfort, while the Osprey Exos 58 offers more room for gear. The Lowe Alpine Sirac 40L is a good choice for those who need organized packing. Choose based on how much gear you plan to carry and how you prefer to access it.

Laptop Storage and Special Features

When it comes to choosing a backpack for hiking, laptop storage and special features can make a big difference. Let’s compare three popular models: Osprey Men’s Exos 38 Lightweight Hiking Pack, Osprey Exos 58, and Lowe Alpine Sirac 40L Trekking Pack. Each has unique qualities that cater to different needs.

The Osprey Men’s Exos 38 Lightweight Hiking Pack is known for its lightweight design and comfort. It has a spacious main compartment that can hold a small laptop or tablet. It also features a mesh back panel for ventilation, making it easy to carry for long hikes.

In contrast, the Osprey Exos 58 offers more storage space. It’s great for longer trips and has extra pockets, including a hydration sleeve and a large front mesh pocket. This pack is perfect for those who need to carry more gear, but it may be heavier than the Exos 38.

The Lowe Alpine Sirac 40L Trekking Pack is also a solid choice. It has a divided interior, which helps keep your laptop and other gear organized. Additionally, it comes with a rain cover for protection against wet weather, making it a reliable option for unpredictable conditions.

Product Capacity Weight Special Features
Osprey Men’s Exos 38 Lightweight Hiking Pack 38L Lightweight Mesh back panel, adjustable fit
Osprey Exos 58 58L Heavier Multiple pockets, hydration sleeve
Also Consider… Lowe Alpine Sirac 40L Trekking Pack 40L — Divided interior, rain cover

In summary, if you want a lightweight and comfortable pack, the Osprey Men’s Exos 38 is a great choice. For more storage, consider the Osprey Exos 58. Lastly, if you need organization and weather protection, the Lowe Alpine Sirac 40L is worth considering. Each backpack has its strengths, so think about what features are most important to you!

Comfort & Carrying Performance

Comfort and carrying performance are crucial for any backpack. A well-designed pack can make your outdoor adventures enjoyable and less tiring. Therefore, comparing features like weight, support, and organization will help you find the perfect fit.

  • Lightweight materials for easy carrying
  • Ventilated back panels for breathability
  • Adjustable hip belts for a snug fit
  • Multiple pockets for smart organization

Straps, Padding and Fit

When choosing a hiking pack, comfort is super important. Let’s look at the shoulder straps, back padding, and overall ergonomics of three great options: Osprey Men’s Exos 38 Lightweight Hiking Pack, Osprey Exos 58, and Lowe Alpine Sirac 40L Trekking Pack.

The Osprey Men’s Exos 38 Lightweight Hiking Pack is known for its AirSpeed back system. This means it has a mesh design that allows air to flow, keeping your back cool while you hike. It also has soft shoulder straps that help distribute weight evenly, making it comfy even when loaded up.

In comparison, the Osprey Exos 58 offers similar features but in a larger size. It has adjustable straps to fit different body shapes and a slightly more padded hip belt for extra support. This makes it a better choice for carrying heavier loads, as the extra padding helps reduce strain on your back.

Lastly, the Lowe Alpine Sirac 40L Trekking Pack features a flexible back system and adjustable hip belt. This pack is designed to sit close to your body, which helps distribute weight and make walking easier. However, it may not have as much ventilation as the Osprey packs.

Product Back System Shoulder Straps Best For
Osprey Men’s Exos 38 Lightweight Hiking Pack Airspeed mesh for ventilation Soft and comfortable Lightweight hiking
Osprey Exos 58 Adjustable and padded Comfortable with extra padding Heavier loads
Lowe Alpine Sirac 40L Trekking Pack Flexible back system Adjustable hip belt Close-to-body fit

In summary, if you’re looking for a lightweight option, the Osprey Men’s Exos 38 Lightweight Hiking Pack is fantastic. For those carrying heavier gear, the Osprey Exos 58 provides better support. Lastly, if you prefer a snug fit, consider the Lowe Alpine Sirac 40L Trekking Pack.

Weight Distribution and Everyday Use

When choosing a backpack, weight distribution is very important. It affects how comfortable your pack feels while you hike. The Osprey Men’s Exos 38 Lightweight Hiking Pack, for example, is designed to evenly spread weight across your body. This makes it feel light even when carrying up to 30 pounds. However, it may struggle with stability if overloaded.

On the other hand, the Osprey Exos 58 can carry heavier loads, making it suitable for longer trips. It is designed to hold around 40 pounds comfortably, but the flexibility of its frame can mean it feels less stable with heavy loads compared to the Exos 38.

For a slightly different option, the Osprey Eja 38 is similar in design to the Exos 38 but tailored for women. It also offers excellent weight distribution with a focus on comfort, making it great for day hikes or multi-day trips.

Product Best For Key Specs Weight Capacity Weight
Osprey Men’s Exos 38 Lightweight Hiking Pack Short hikes, light loads AirSpeed back system, adjustable back length 15 to 30 pounds 1.2 kg
Osprey Exos 58 Long trips, heavier loads Flexible frame, AirSpeed mesh 20 to 40 pounds 2 lbs 10 oz
Osprey Eja 38 Comfortable for women Similar to Exos, tailored fit 15 to 30 pounds 1.2 kg

In summary, if you want a lightweight pack for short hikes, the Osprey Men’s Exos 38 is a great choice. For longer adventures with more gear, consider the Osprey Exos 58. If you prefer a women-specific design, the Osprey Eja 38 offers similar benefits with a comfortable fit.

Travel & Practical Features

When it comes to travel, comfort and convenience are key. The right gear can make your adventures more enjoyable and stress-free. Therefore, comparing different backpacks can help you find the perfect fit for your journeys. (In-Depth Lightweight Backpack Review: Osprey Exos Pro 55)

  • Many backpacks offer impressive ventilation to keep you cool on long hikes.
  • Weight is a crucial factor; lighter packs can make a big difference during multi-day trips.
  • Storage options vary widely, with some packs featuring extra pockets for easy access to your gear.
  • Some models also prioritize eco-friendliness by using recycled materials.

Water Resistance and Safety

When you’re out hiking or trekking, having a backpack that can handle rain and keep your items safe is important. Let’s look at how the Osprey Men’s Exos 38 Lightweight Hiking Pack, Osprey Exos 58, and Lowe Alpine Sirac 40L Trekking Pack compare in terms of water resistance and security features.

The Osprey Men’s Exos 38 Lightweight Hiking Pack is designed with a mesh back system that allows airflow but does not come with a rain cover. This means if it rains, your gear could get wet unless you buy a separate cover. However, it does have a sternum strap with a whistle for safety.

In contrast, the Osprey Exos 58 has similar features but includes a detachable lid that adds a little extra flexibility with storage. Like the Exos 38, it lacks a built-in rain cover, so you’ll need to purchase one separately if you expect wet weather.

On the other hand, the Lowe Alpine Sirac 40L Trekking Pack stands out with its water-resistant fabric. It also comes with an easy-access rain cover that can be quickly pulled over the pack, keeping your belongings dry in heavy rain. This feature makes it a great choice for those who often hike in unpredictable weather.

Product Water Resistance Rain Cover Security Features
Osprey Men’s Exos 38 Lightweight Hiking Pack — No Sternum strap with whistle
Osprey Exos 58 — No Sternum strap
Also Consider… Lowe Alpine Sirac 40L Trekking Pack Water-resistant Yes Walking pole attachment points

In summary, if staying dry in the rain is your priority, the Lowe Alpine Sirac 40L Trekking Pack is the best option. If you’re looking for lightweight and comfort features, you might prefer the Osprey packs, but remember to consider getting a rain cover for them.

Carry-On Compatibility

When traveling by air, it’s important to choose a pack that fits within airline carry-on restrictions. The Osprey Men’s Exos 38 Lightweight Hiking Pack is designed with a compact profile, making it suitable for most airlines. Its size allows you to fit it in overhead bins easily without the worry of extra fees.

Comparatively, the Osprey Exos 58 is larger, offering more capacity but may exceed carry-on limits for some airlines. If you plan to pack light and need just the essentials, the Osprey Men’s Exos 38 is a smart choice.

The Lowe Alpine Sirac 40L Trekking Pack also fits well within carry-on dimensions, ideal for weekend trips or short hikes. It balances between being spacious enough for gear while still being travel-friendly.

Product Capacity Best For Airline Compatibility
Osprey Men’s Exos 38 Lightweight Hiking Pack 38L Weekend trips Most airlines
Osprey Exos 58 58L Longer hikes Some airlines
Also Consider… Lowe Alpine Sirac 40L Trekking Pack 40L Weekend hiking Most airlines

In summary, if you’re looking for a pack that fits most airline restrictions, consider the Osprey Men’s Exos 38 or the Lowe Alpine Sirac 40L. For larger excursions, the Osprey Exos 58 provides extra space but check with airline guidelines before you travel.

Maintenance & Long-Term Durability

Taking care of your backpack is essential for its long life. Regular maintenance can help you avoid unexpected issues on your adventures. Therefore, understanding how to keep your gear in great shape is important for all hikers.

  • Check zippers and seams regularly for wear.
  • Clean your pack after each trip to prevent dirt buildup.
  • Store your backpack in a cool, dry place to avoid mildew.
  • Inspect straps and buckles to ensure they stay secure.

Cleaning and Wear Resistance

When choosing a backpack, it’s important to consider how easy it is to clean and how well it holds up over time. Let’s look at the Osprey Men’s Exos 38 Lightweight Hiking Pack, Osprey Exos 58, and Lowe Alpine Sirac 40L Trekking Pack to see how they compare.

The Osprey Men’s Exos 38 Lightweight Hiking Pack is made from durable materials that resist wear and tear. Its lightweight design makes it easy to handle, but it’s important to clean it regularly to keep it looking fresh. This pack is great for short trips and can handle some rough conditions without showing much wear.

In contrast, the Osprey Exos 58 offers a bit more capacity and is also made from strong, high-quality materials. It has a similar cleaning requirement as the Exos 38, but its larger size might mean more dirt accumulation. However, it holds up well to repeated use, making it a solid choice for longer adventures.

On the other hand, the Lowe Alpine Sirac 40L Trekking Pack is designed for multi-day hikes and is water-resistant. This means it’s easier to keep clean during rainy conditions. However, it may require a bit more care after heavy use, especially since it can collect dirt in its many compartments.

Product Material Durability Cleaning Ease Wear Resistance
Osprey Men’s Exos 38 Lightweight Hiking Pack Durable, lightweight Moderate Good
Osprey Exos 58 High-quality materials Moderate Very Good
Also Consider… Lowe Alpine Sirac 40L Trekking Pack Water-resistant Easy in rain Good

In summary, all three backpacks are built to last and handle different cleaning needs. The Osprey Men’s Exos 38 is lightweight but requires regular cleaning, the Osprey Exos 58 is very durable, and the Lowe Alpine Sirac 40L is easy to clean in wet conditions. Choose the one that fits your adventure style best!

User Experience and Feedback

When it comes to user experience, the Osprey Men’s Exos 38 Lightweight Hiking Pack stands out for its comfort and support. Many users appreciate its lightweight design, weighing only 1.2 kg. The AirSpeed back system provides excellent ventilation, making it a favorite for long hikes. However, some users have mentioned it lacks hipbelt pockets, which can be inconvenient for accessing small items like snacks or phones.

In comparison, the Osprey Exos 58 offers a bit more capacity while still being lightweight. Users find it comfortable for carrying heavier loads, although some have noted that it can feel less stable when fully packed. This pack is great for those who need extra space for longer adventures.

The Lowe Alpine Sirac 40L Trekking Pack is also popular among hikers. Users appreciate its durable construction and practical features, like a divided interior for easy organization. It is slightly heavier than the Osprey options but is known for its comfort on rugged trails.

Product Weight Capacity Key Features
Osprey Men’s Exos 38 Lightweight Hiking Pack 1.2 kg 38L Lightweight, AirSpeed back system, adjustable back length
Osprey Exos 58 — 58L More capacity, comfortable for heavier loads
Also Consider… Lowe Alpine Sirac 40L Trekking Pack — 40L Durable, divided interior for organization

Overall, the choice between these packs depends on your specific needs, such as capacity and weight preferences.

Value and Conclusion

Osprey Men's Exos 38 Backpack, Blue Ribbon, S/M

The Osprey Men’s Exos 38 Lightweight Hiking Pack →See Price (Details)Product 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. offers excellent value for those looking to venture into lightweight hiking. However, its price reflects the high-quality materials and thoughtful design, making it a worthwhile investment for serious hikers. Also, the pack’s features, like the AirSpeed back system and adjustable torso length, enhance comfort and performance, which can be crucial on long trails.

Therefore, if you want a reliable pack for weekend adventures or longer trips, the Osprey Men’s Exos 38 Lightweight Hiking Pack is a solid choice. Still, consider your specific needs and packing style, as those seeking more storage options might find it beneficial to explore larger models in the Exos series.

Common Questions

Q1. What is the weight of the Osprey Men’s Exos 38?
The Osprey Men’s Exos 38 weighs around 1.2 kilograms. This makes it lightweight and ideal for hiking and backpacking.
Q2. What is the capacity of the Osprey Men’s Exos 38?
The Osprey Men’s Exos 38 has a capacity of 38 liters. This size is great for overnight trips and lightweight adventures.
Q3. Is the Osprey Men’s Exos 38 suitable for my height?
The Exos 38 comes in two sizes: small/medium and large/extra-large. It’s important to check your torso length to find the right fit.
Q4. What materials are used in the Osprey Men’s Exos 38?
The Osprey Men’s Exos 38 is made of 100D High Tenacity Nylon. This fabric is both lightweight and durable for outdoor use.
Q5. Does the Osprey Men’s Exos 38 have a rain cover?
No, the Osprey Men’s Exos 38 does not come with a rain cover. You may want to purchase one separately if you expect wet weather.
Q6. How does the AirSpeed back system work?
The AirSpeed back system features a trampoline-style mesh that keeps the pack off your back. This design allows for better ventilation and comfort while carrying.
Q7. What accessories come with the Osprey Men’s Exos 38?
The pack includes features like a removable floating lid and Stow-on-the-Go trekking pole attachment. However, no additional accessories are included.
Q8. Who is the Osprey Men’s Exos 38 best for?
The Exos 38 is best for hikers and backpackers who prefer lightweight gear for overnight or weekend trips. It suits those who enjoy minimalistic packing.
Q9. What is the warranty on the Osprey Men’s Exos 38?
Osprey typically offers a limited lifetime warranty on their packs. This warranty covers defects in materials and craftsmanship.


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