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Unisex

Osprey Exos 48L backpack

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Long

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Features of Osprey Exos 48L

Product description of Osprey Exos 48L backpack

Description summary

The Osprey Exos 48L is an ultralight backpack engineered for fast-and-light adventures, offering exceptional comfort and ventilation. Its adjustable AirSpeed™ trampoline suspended mesh backsystem promotes superior airflow to keep you cool and dry. The intelligent design allows for versatile load management, including a removable top lid with FlapJacket™ for weight reduction. Strategic pockets, including a front shove-it pocket and dual-access side pockets, ensure easy access to essentials. Built for durability without compromising weight, this pack is ideal for thru-hikers and weekend adventurers seeking peak performance

Osprey Exos 48L: Ultralight Performance & Unmatched Comfort for the Trail

Revolutionize your hiking experience with the Osprey Exos 48L, a masterclass in ultralight design engineered for hikers who demand performance without compromise. Designed for both men and women (with its counterpart, the Eja), this adult backpack is the ultimate companion for fast-and-light adventures, from weekend trips to demanding thru-hikes. Falling within the versatile 41-50 L capacity range, the Exos 48 provides ample space for your gear while helping you move faster, further, and with unparalleled comfort on the trail.

The heart of the Exos 48 is its category-leading carry comfort and ventilation system. At its core is the adjustable AirSpeed™ trampoline suspended mesh backsystem. This innovative design creates a generous air space between your back and the pack, promoting exceptional airflow that minimizes sweat and keeps you cool and dry, even during strenuous climbs on hot days. This tensioned back panel works in perfect harmony with the lightweight internal frame, ensuring the load is distributed evenly and comfortably, preventing pressure points and allowing you to focus on the journey ahead, not the weight on your shoulders.

The Exos offers all the benefits of a lightweight pack but without the normal compromises, helping you to move fast and light. Its intelligent design provides remarkable versatility to adapt to any trip. For minimalist pursuits, the removable floating top lid can be detached, and the integrated FlapJacket™ deploys to provide secure, weather-protected main compartment closure, shaving even more weight from your setup. Strategic storage options are built for efficiency on the move. The large, stretch-mesh front shove-it pocket is perfect for stashing a rain jacket or wet gear, while dual-access side pockets keep water bottles secure and accessible. The padded hipbelt not only provides stability but also features dual zippered pockets, keeping your snacks, phone, or GPS within easy reach.

Built for the rigors of the trail, this hiking pack combines durability with its featherlight construction. Removable sleeping pad straps and side compression cords allow you to streamline your load or attach extra gear as needed. Whether you are a seasoned thru-hiker counting every gram or a weekend warrior seeking superior comfort, the Osprey Exos 48 sets the standard for high-performance, ultralight backpacking.

Reservoir not included.

The Exos and Eja are high-performance ultra-light backpacking packs providing category-leading carry comfort and ventilation.

Features:
- Removable Top Lid with FlapJacket™ for use without a lid
- Adjustable AirSpeed™ Trampoline Suspended Mesh Backsystem
- Front Shove-It Pocket
- Padded Hipbelt with Dual Hipbelt Pockets
- Removable Sleeping Pad Straps and Side Compression Cords

Specifications:
- Backsystem: AntiGravity™ Backsystem with Cam-Lock Adjustment
- Materials: 100D High Tenacity Nylon Ripstop Recycled
- Dimension: 51H x 29W x 23D cm
- Size: 1.26kg

Specifications

Manual

Technical specifications of Osprey Exos 48L

Capacity

48 L
Weight

1.26 kg
Back panel ventilation

Trampoline Mesh
Material density

100D High Tenacity Nylon Ripstop Recycled
Hydration system compatible

Yes
Hip belt pockets

Yes
Color

Blue
Capacity

41-50 L
Gender

Men
Gender

Women
Age

Adult
Recommended Use

Hiking
Structure

Internal frame

Features of Osprey Exos 48L

Color Blue

Color

Blue

Capacity 41-50 L

Capacity

41-50 L

Gender Men

Gender

Men

Women

Age Adult

Age

Adult

Recommended Use Hiking

Recommended Use

Hiking

Structure Internal frame

Structure

Internal frame

Key differentiators

Constructed with 100D High Tenacity Nylon Ripstop using recycled materials for durability.

Equipped with dual hipbelt pockets and hydration compatibility for on-the-move access and efficiency.

Features an advanced AirSpeed™ trampoline suspended mesh backsystem for elite ventilation and comfort.

Includes a removable top lid with an integrated FlapJacket™ for minimalist configurations.

Offers a versatile 48L capacity in an ultralight design for fast-and-light, multi-day trips.

Technology in Osprey Exos 48L backpack

Energy rating

Warnings

5 / 5

5 Reviews

What our customers are saying about Osprey Exos 48L backpack

This lightweight hiking backpack offers excellent capacity for multi-day treks and wild camping. Its comfortable fit and effective back ventilation system keep you dry and supported. While some find the hip belt pockets a bit tight for larger phones or requiring two hands to zip, the overall quality, durability, and practical features like side strap pockets are highly praised. Ideal for various hiking lengths, this lightweight backpack provides a balanced and comfortable carry

Very good purchase

2026/03/14

José Antonio

A backpack with a very good capacity and a super light weight for a backpack of this type and quality, I think there´s nothing to say, Osprey is top. To find a flaw, I would say that the pockets are a little small for those of us who carry a large phone

Almost perfect!

2025/04/23

Anouche

Perfect. Just one minor flaw: the waistband pockets are a tad too small to fit an iPhone Pro Max. It's tight inside, and I'm worried it might tear over time.

Sac osprey 48

2025/03/10

Andre

I order regularly from TREKKINN, always fast and perfect deliveries. The OSPREY 48L bag is perfect, ideal balance for carrying, excellent support and for a 48 l, it is suitable for hikes of several days.

Great pack

2025/01/01

Ian

I already own an Osprey Atmos AG 65 which I have used on multi day treks, and I was very pleased with the Airspeed back system which is comfortable and ventilates your back helping to keep you dry when you are perspiring heavily. I decided to get an Exos for shorter adventures, very pleased with it Being able

Exos 48

2024/09/22

Ian

Great quality comfortable fit

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Include AI Generated questions and answers

2025-06-11

Sergei

Can anyone share experience of choosing right size for this backpack? There is two options - is the difference only in volume or the belt has different size / width?

Answer of Bart

The 48 has a larger volume than the 38, the straps are wider and it is meant for more kilos (so also weight). If you mean the difference between S/M vs M/L then it is the back panel and the length of the belly band.

* Generated by AI based on customer and product data

2026-07-11

Generated by AI and verified

Is the Osprey Exos 48L a good choice for ultralight backpacking?

Answer of Generated by AI and verified

Yes, the Osprey Exos 48L is specifically engineered for ultralight backpacking. It weighs just 1.26 kg and features a minimalist design, including a removable floating lid, to help you reduce pack weight for fast-and-light adventures.

* Generated by AI based on customer and product data

2026-07-11

Generated by AI and verified

What kind of back panel does the Exos 48L have for ventilation?

Answer of Generated by AI and verified

This backpack features an AirSpeed™ trampoline suspended mesh back panel. This design creates a space between your back and the pack, promoting exceptional airflow to help keep you cool and dry on the trail.

* Generated by AI based on customer and product data

2026-07-11

Generated by AI and verified

Is the Osprey Exos 48L suitable for carrying a hydration bladder?

Answer of Generated by AI and verified

Yes, the Osprey Exos 48L is hydration compatible, so it is designed to accommodate a hydration reservoir for easy access to water. Please be aware that the reservoir itself is not included with the backpack.

* Generated by AI based on customer and product data

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Frequently bought together

Best sellers

Use cases

Multi-Day Thru-Hiking 90% Fit

Engineered for long-distance treks, the Exos 48L offers a top-tier balance of capacity and low weight. Its 48-liter volume is ideal for carrying essential gear for multi-day journeys, while its ultralight design minimizes fatigue for elite performance over extended periods.

48 L capacity,Ultralight design,100D High Tenacity Nylon Ripstop Recycled material

Weekend Backpacking Trips 95% Fit

This pack is a professional-grade choice for weekend backpacking where performance and comfort are paramount. The AirSpeed™ trampoline suspended mesh back panel provides elite ventilation and load stability, ensuring comfort during demanding hikes with a moderate load.

Trampoline Mesh back panel,Hydration compatible,Hip belt pockets

Fastpacking & Ultralight Adventures 85% Fit

For athletes pushing the boundaries of fastpacking, the Exos 48L delivers a cutting-edge, lightweight frame. Its minimalist construction, combined with hydration compatibility and accessible storage, supports rapid movement through technical terrain for the ultimate fast-and-light experience.

Hydration compatible,100D High Tenacity Nylon Ripstop Recycled material,Hip belt pockets

Wilderness Exploration 80% Fit

This backpack is an elite choice for the environmentally conscious adventurer seeking professional performance. It is constructed from 100% recycled high-tenacity nylon, allowing you to explore remote wilderness areas with top-tier gear that aligns with sustainable principles.

100D High Tenacity Nylon Ripstop Recycled material,Durable construction,48 L capacity

Best for

Best for Experienced Hikers

With a 48L capacity, trampoline mesh back panel for ventilation, and hydration compatibility, this pack is built for demanding hikes where performance and comfort are key.

Capacity: 48 L, Back panel: Trampoline Mesh, Hydration compatible: yes

Ideal for Adventurers

This pack is constructed with 100D High Tenacity Nylon Ripstop Recycled material, offering durability while minimizing environmental impact.

Material density: 100D High Tenacity Nylon Ripstop Recycled

Perfect for Organized Trekkers

Featuring integrated hip belt pockets, this pack allows for quick access to snacks, navigation tools, and other small items without needing to stop.

Hip belt pockets: yes

Top Choice for Long-Distance Comfort

The AirSpeed™ trampoline suspended mesh backsystem provides excellent load distribution and superior ventilation, enhancing comfort and mobility over long distances.

Benefits

FunctionalKeep Your Essentials Organized and Accessible

This backpack helps you stay organized on the move with convenient hip belt pockets. These pockets provide quick access to small items like snacks, a compass, or your phone without needing to take the pack off.

Hip belt pockets: yes

FunctionalStay Hydrated and Explore Further

Designed for hiking, this backpack is hydration compatible, allowing you to easily integrate a water reservoir. This feature enables you to stay hydrated on the go, empowering you to tackle longer trails and explore more freely.

Hydration compatible: yes

Intended use: hiking

Ideal buyer profiles

The Ultralight Thru-Hiker

This hiker prioritizes minimizing weight to maximize distance and efficiency on long-distance trails. They meticulously select gear that offers the best performance-to-weight ratio, allowing for greater mobility and reduced fatigue over many kilometers.

The Osprey Exos 48L is an excellent match due to its ultralight design, which supports an active hiking style. The AirSpeed™ trampoline suspended mesh backsystem provides exceptional ventilation and load distribution, ensuring comfort and stability without adding unnecessary weight, which is crucial for enhanced mobility on extended treks.

The Backpacker

This individual invests in high-quality, durable gear from reputable brands. They value advanced features, reliable construction, and long-term performance, and are willing to pay for equipment that enhances their outdoor experience and withstands rigorous use.

As a premium offering from Osprey, this pack meets the demand for quality and performance. It features a durable 100D High Tenacity Nylon Ripstop construction and a sophisticated trampoline mesh back panel for superior comfort and stability. The thoughtful design, including hydration compatibility and hip belt pockets, reflects the premium engineering this buyer expects.

The Adventurer

This person makes purchasing decisions that align with their environmental values. They actively seek out products made from sustainable or recycled materials and support brands that demonstrate a commitment to reducing their ecological footprint.

This backpack directly appeals to the eco-conscious buyer by using 100% recycled materials for its main body fabric, specifically 100D High Tenacity Nylon Ripstop. This choice allows them to enjoy a high-performance hiking pack while supporting sustainable manufacturing practices.

Competitive features

When comparing the Osprey Exos 48L Backpack to other high-performance hiking packs, its focus on an ultralight yet comfortable design for multiday trips becomes clear. While competitors like the Deuter Freescape Pro and Berghaus 3D Freeflow offer different capacities and feature sets, the Exos 48L distinguishes itself with specific features tailored for the minimalist backpacker.

Where it excels

The Exos 48L excels in providing an ultralight carry, a key feature mentioned in its description, making it ideal for backpackers who prioritize minimizing weight on the trail. It features a refined AirSpeed suspension system designed for maximum airflow, offering superior ventilation compared to packs that may not specialize in this area. Versatility is another strong point, with a removable floating lid and an integrated FlapJacket, allowing users to adapt the pack for a more minimalist setup.

Consider alternatives if...

For female hikers seeking a fit specifically tailored to their anatomy, the Osprey Eja 48L is designed for women and may offer a more comfortable and ergonomic carrying experience. If a built-in rain cover is a crucial feature for you, it's worth noting that this is not mentioned as an included item for the Exos 48L, and other packs might offer this as part of the package.

Verdict

The Osprey Exos 48L is an excellent choice for experienced hikers and backpackers embarking on ultralight, multiday adventures. Its design prioritizes low weight, exceptional ventilation with the AirSpeed suspension, and comfort. While it stands out for its minimalist-friendly features like the removable lid, those needing a women's specific fit or a smaller capacity for day hikes might look to alternatives like the Osprey Eja or Berghaus models.

Specs comparison

	Osprey Exos 48L backpack	Osprey Arcane Xl Day 30l Backpack	Osprey Talon 44l Backpack	Osprey Mutant 38l Backpack	Osprey Tempest 44l Woman Backpack	Osprey Kyte Backpack
Capacity	48.0 L	30.0 L	44 L	31-40 L	44.0 L	31-40 L
Hydration Compatible	true	true	true	true	true	true
Intended Use	hiking	hiking	hiking	hiking	hiking	hiking
Volume	48 L	30 L	44 L	38 L	44 L	40 L
Back Panel	Trampoline Mesh	NeoSpacer Mesh	AirScape	Snowshed Fabric	AirScape	AirScape
Material Density	100D High Tenacity Nylon Ripstop Recycled	480D Polyester	100D	-	100D	420D nylon

Specs vs competitors

	Osprey Exos 48L backpack	Vaude Asymmetric 52+8l Backpack	Pajak Xc3 42l Backpack	Fjällräven Abisko Trek 48l Backpack	Ortovox Peak 45l Backpack	Ortovox Peak Light 40l Backpack
Capacity	48.0 L	60.0 L	45 L	48.0 L	45 L	40 L
Hydration Compatible	true	true	true	true	true	true
Intended Use	hiking	hiking	hiking	hiking	hiking	hiking
Volume	48 L	52	45 L	48 L	45 L	40 L
Back Panel	Trampoline Mesh	Tergolight back system	Yes	Adjustable, Aluminium frame, Padded back panel	Swisswool 3D BACK SYSTEM	Swisswool TEC KNIT back system
Material Density	100D High Tenacity Nylon Ripstop Recycled	-	-	100% polyamide 500D (recycled), 100% polyamide 210D (recycled)	-	-