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Osprey

Osprey Ultralight Drysack 35L backpack

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2 Reviews

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Features of Osprey Ultralight Drysack 35L

Product description of Osprey Ultralight Drysack 35L backpack

Description summary

Streamline your packing with the OSPREY Ultralight Drysack 35L. This efficient packing solution keeps your gear perfectly organized and protected from the elements. Its rectangular shape maximizes space inside your pack, while the waterproof roll-top closure and coated seams ensure everything stays dry (IPX5 rated). Made from 100% recycled, bluesign® approved high-tenacity nylon, it´s a smart, sustainable choice for any adventure. A D-ring adds extra convenience for drying or attaching, making this the ideal accessory for optimized packing

Reservoir is not included.

Features:

An efficient packing solution, the 35-litre Ultralight Dry Sack keeps your gear organised and protected within your pack or travel luggage with a rectangular shape for a better fit.

Available in five different volumes and four colours, it´s easy to colour-code your organisation too.

Ultralight Dry Sack 35 L - Packing Organisation Accessory.

An efficient packing solution, the 35-litre Ultralight Dry Sack keeps your gear organised and protected within your pack or travel luggage with a rectangular shape for a better fit.

Available in five different volumes and four colours, it´s easy to colour-code your organisation too.

Part of a coordinated system for optimised packing.

Customise your experience by adding on smart packing and organisation accessories that meet your exact needs.

All of our accessories have been overhauled to offer better organisation, operation, comfort and reduced environmental impact.

+ bluesign® approved main body fabrics.

+ GRS-certified 100% recycled main body fabrics.

+ All DWR treatments made without PFAS.

Roll-top waterproof closure .

Waterproof-coated fabric and seams .

Waterproof-coated fabric and seams .

Rectangular shape for efficient packing .

Meets IPX5, waterproof non-submersible .

D-ring for drying or attaching .

bluesign® approved 100% recycled 40D high-tenacity nylon.


Specifications

Manual

Technical specifications of Osprey Ultralight Drysack 35L

  • Capacity

    35 L

  • Material density

    40D nylon

  • Color

    Blue

  • Capacity

    31-40 L

  • Gender

    Men

  • Gender

    Women

  • Age

    Adult

  • Recommended Use

    Hiking

  • Structure

    Frameless

Features of Osprey Ultralight Drysack 35L

Color Blue

Color

Blue

Capacity 31-40 L

Capacity

31-40 L

Gender Men

Gender

Men

Women

Women

Age Adult

Age

Adult

Recommended Use Hiking

Recommended Use

Hiking

Structure Frameless

Structure

Frameless

Key differentiators

Efficient Packing: Rectangular shape maximizes storage space within a larger pack.

Lightweight Design: Frameless structure provides 35L of capacity without adding significant weight.

Sustainable Materials: Made from bluesign® approved and GRS-certified 100% recycled high-tenacity nylon.

Versatile Use: Ideal for organizing gear for hiking and travel, with a D-ring for drying or attachment.

Technology in Osprey Ultralight Drysack 35L backpack

Energy rating

Warnings

5 / 5

2 Reviews

What our customers are saying about Osprey Ultralight Drysack 35L backpack

Osprey Ultralight Drysack 35L backpack

Good brand

2025/04/25

Vitalii

It has good quality

Osprey Ultralight Drysack 35L backpack

Osprey ultralight drysack 35l

2025/07/07

amber

It’s perfect for what I need - light, delicate and yet durable (doesn’t take any space when empty)

Write a review about this product

Answer the question

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The question has already been answered, thank you very much for trying to help another customer. We will count on you for future questions.

Include AI Generated questions and answers

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

What are the main benefits of the Osprey Ultralight Drysack?

Answer of Generated by AI and verified

The Osprey Ultralight Drysack 35L is designed to keep your gear organized and protected from the elements. It's also a sustainable choice, made from bluesign® approved, 100% recycled high-tenacity nylon.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

What materials are used in this dry sack?

Answer of Generated by AI and verified

This dry sack is constructed from bluesign® approved 100% recycled 40D high-tenacity nylon. The main body fabrics are also GRS-certified, and all DWR treatments are made without PFAS, making it a more sustainable option for your adventures.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

Is this dry sack suitable for both men and women?

Answer of Generated by AI and verified

Yes, the Osprey Ultralight Drysack is a unisex product designed for adults, making it suitable for everyone.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

Is the Osprey Ultralight Drysack 35L worth buying for eco-conscious consumers?

Answer of Generated by AI and verified

Yes, the Osprey Ultralight Drysack 35L is an excellent choice for eco-conscious consumers as it is made from GRS-certified 100% recycled materials and features bluesign® approved fabrics.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

What is the capacity of this dry sack?

Answer of Generated by AI and verified

This Ultralight Drysack has a capacity and volume of 35 liters, offering ample space for organizing gear within a larger backpack or travel bag.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

How waterproof is the Osprey Ultralight Drysack?

Answer of Generated by AI and verified

This dry sack meets the IPX5 waterproof standard. This means it can resist a sustained, low-pressure water jet spray. It is designed to keep your gear dry from rain and splashes but is not intended for full submersion in water.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

What kind of closure system does this bag use?

Answer of Generated by AI and verified

It features a roll-top waterproof closure. This design allows you to roll the top down multiple times and secure it to create a seal that protects the contents from water.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

Does this dry sack have any attachment points?

Answer of Generated by AI and verified

Yes, it includes a D-ring that can be used for attaching the dry sack to other gear or for hanging it up to dry.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

What is the main purpose of this dry sack?

Answer of Generated by AI and verified

The Osprey Ultralight Drysack is designed as an efficient packing solution for organizing and protecting your gear. Its rectangular shape helps maximize space inside a hiking backpack or travel luggage, keeping your items dry and tidy.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

Can I use this for hiking?

Answer of Generated by AI and verified

Absolutely. This dry sack is specifically intended for uses like hiking. It helps you compartmentalize your gear within your main hiking pack, ensuring items like clothing, electronics, or food stay dry and organized on the trail.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

Can the Osprey Ultralight Drysack 35L be used with other Osprey packing accessories?

Answer of Generated by AI and verified

Yes, the Osprey Ultralight Drysack 35L is part of a coordinated system that allows for optimized packing with other Osprey accessories.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

What makes the Osprey Ultralight Drysack an eco-friendly choice?

Answer of Generated by AI and verified

This drysack is a sustainable option because it is constructed from bluesign® approved, GRS-certified 100% recycled 40D high-tenacity nylon. Additionally, all its DWR (durable water repellent) treatments are made without PFAS.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

What is the main purpose of this drysack?

Answer of Generated by AI and verified

The Osprey Ultralight Drysack is designed as a packing organization accessory. Its primary function is to keep your gear organized and protected from the elements inside a larger backpack or travel bag, especially for activities like hiking.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

What are the key features for organization?

Answer of Generated by AI and verified

The main organizational feature is its rectangular shape, which allows for more efficient, space-saving packing inside another bag. It is also part of a coordinated system available in different volumes and colors to help you color-code your gear.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

Is the Osprey Ultralight Drysack 35L worth buying for eco-conscious travelers?

Answer of Generated by AI and verified

Yes, the Osprey Ultralight Drysack 35L is a great choice for eco-conscious travelers. It's made from 100% recycled, bluesign® approved nylon, supporting sustainable adventuring.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

How waterproof is this drysack?

Answer of Generated by AI and verified

It features a roll-top waterproof closure and waterproof-coated fabric and seams to protect your contents from rain and moisture.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

What is the capacity of this drysack?

Answer of Generated by AI and verified

This Ultralight Drysack has a capacity of 35 liters, making it suitable for organizing a significant amount of gear within a larger pack.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

What material is the drysack made from?

Answer of Generated by AI and verified

It is made from bluesign® approved 100% recycled 40D high-tenacity nylon, which provides durability while being lightweight.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

Does this drysack have a frame?

Answer of Generated by AI and verified

No, this is a frameless drysack. Its structureless design makes it lightweight and easy to pack or store when not in use.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

Can I use this as a standalone backpack for hiking?

Answer of Generated by AI and verified

This product is designed as a packing organization accessory to be used inside another pack, not as a standalone backpack. It does not have shoulder straps or a harness system for carrying on its own during a hike.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

Is this drysack suitable for watersports like kayaking or canoeing?

Answer of Generated by AI and verified

It can help protect gear from water inside a boat, but you should take care to prevent it from being fully submerged.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

What is the D-ring for?

Answer of Generated by AI and verified

The D-ring provides a convenient point for hanging the drysack to dry or for attaching it to a pack or a line.

* Generated by AI based on customer and product data

2026-09-10

Generated by AI and verified

Osprey Ultralight Drysack 35L backpack

Is this drysack a better choice for capacity than the Joluvi Caucaso 38l Backpack?

Answer of Generated by AI and verified

However, this Osprey drysack is specifically designed as a waterproof packing organizer with a roll-top closure, while the Joluvi backpack is a standalone backpack.

* Generated by AI based on customer and product data

Ask a technical question about this product

Frequently bought together
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Use cases

Day Hiking in Unpredictable Weather 95% Fit

The 35L capacity offers ample space for a day's worth of essentials without being bulky.

35 L capacity,Roll-top waterproof closure,Intended for hiking

Watersports Gear Protection 80% Fit

A great choice for keeping towels, electronics, and a change of clothes dry while kayaking, paddleboarding, or on a boat. Its waterproof fabric and roll-top closure protect contents from splashes and spray, though it is not designed for full submersion.

Waterproof-coated fabric and seams,Roll-top waterproof closure,D-ring for attachment

Travel and Packing 85% Fit

For travelers who prioritize sustainability, this drysack is an excellent packing organizer. It's made from bluesign® approved, 100% recycled nylon and helps separate wet or dirty clothes from clean items inside a larger travel bag.

GRS-certified 100% recycled main body fabrics,bluesign® approved main body fabrics,All DWR treatments made without PFAS,Rectangular shape for efficient packing

Bike Commuting or Cycle Touring 75% Fit

This drysack is a practical solution for protecting a laptop, documents, or a change of clothes from rain when cycling. Its frameless design allows it to be easily stowed inside a pannier or backpack, providing a reliable waterproof layer.

Frameless structure,35 L capacity,Roll-top waterproof closure

Best for

Best for Hikers

This drysack is constructed from bluesign® approved, GRS-certified 100% recycled high-tenacity nylon and features PFAS-free DWR treatments, aligning with values for eco-friendly adventuring.

Material: nylon (bluesign® approved 100% recycled 40D high-tenacity nylon); Features: ["bluesign® approved main body fabrics", "GRS-certified 100% recycled main body fabrics", "All DWR treatments made without PFAS"]

Ideal for Budget-Minded Adventurers

Offering dependable IPX5 waterproof performance and durable nylon construction, this drysack provides excellent value for keeping essentials dry on a budget.

Great for Family Outdoor Trips

With a generous 35L capacity and a waterproof roll-top closure, it's perfect for stashing extra layers, snacks, and electronics for the whole family, ensuring everything stays dry.

Perfect for Dedicated Day Hikers

Benefits

FunctionalKeeps Your Gear Dry in Wet Conditions

Confidently carry your essentials knowing they are protected from the elements. This drysack features a roll-top waterproof closure and waterproof-coated fabric and seams, meeting IPX5 standards for non-submersible water resistance.

Closure type: roll-top waterproof closure

Features: waterproof-coated fabric and seams

FunctionalGenerous Capacity for Your Hiking Essentials

Pack everything you need for your trip without feeling weighed down. With a 35-liter capacity, this ultralight drysack offers ample space for organizing your gear for hiking adventures.

Intended use: hiking

Ideal buyer profiles

The Hiker

This individual prioritizes environmental responsibility in their gear choices without compromising on performance. They actively seek out products made from recycled materials and sustainable manufacturing processes for their outdoor adventures.

This drysack aligns perfectly with their values, featuring bluesign® approved, GRS-certified 100% recycled nylon fabric and PFAS-free DWR treatments. It offers reliable waterproof protection for hiking, ensuring their gear stays dry while minimizing their environmental footprint.

The Minimalist Adventurer

This user travels light and values multi-functional, efficient gear. They need equipment that is lightweight, packable, and reliable for a variety of activities, from day hikes to watersports.

As an ultralight, frameless drysack, this product is exceptionally easy to pack and carry.

The Family Outdoor Organizer

This person is responsible for organizing and protecting gear for family outings, whether it's a day at the beach, a camping trip, or a hike in unpredictable weather. They need a simple, durable, and effective way to keep clothes, food, and electronics safe and dry.

The Osprey Ultralight Drysack's 35L volume is great for stashing extra layers or a family picnic. Its robust, waterproof-coated nylon and secure roll-top closure offer peace of mind that essentials will remain dry, no matter the weather or activity.

Competitive features

When evaluating the Osprey Ultralight Drysack 35l against its competitors, the most significant differentiator is its primary function as a waterproof packing organizer rather than a traditional backpack. While alternatives like the Trespass Venoy or Hi-tec Mandor are standard daypacks, the Osprey model is specifically designed to keep gear dry and organized inside a larger pack. Its 35-liter capacity is the largest in this comparison group, offering substantial volume for internal organization.

Where it excels

It offers the largest capacity at 35 liters, making it ideal for organizing a significant amount of gear within a larger travel or hiking pack. Constructed from 100% recycled, bluesign® approved high-tenacity nylon, it stands out as a sustainable choice for environmentally conscious adventurers.

Consider alternatives if...

Verdict

The Osprey Ultralight Drysack 35l is not a conventional backpack but an exceptional packing solution for those who need to protect and organize their gear from the elements. Its waterproof construction and generous capacity make it a valuable accessory for hiking, travel, and watersports. If your priority is keeping contents dry inside another bag, this is an excellent choice. However, for a standalone, wearable backpack, you should consider the other options.

Specs comparison

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MaterialnylonnylonnylonnylonNeoSpacer meshnylon
Water ResistanceIPX5 ratedIPX5----
Capacity35.0 L20 L18 Liters21-30 L6 L11-20 L
Intended Usehikinghikingurbanurbanhikinghiking
Department NameLuggage & BagsLuggage & Bags > BackpacksLuggage & BagsLuggage & BagsLuggage & Bags-
Volume35 L20 L18 L21 L6 L11 L

Specs vs competitors

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Materialnylonnylonsyntheticsyntheticsyntheticpolyester
Water ResistanceIPX5 rated---water-repellent-
Capacity35.0 L38 L25 L35 Litres36 L22 L
Intended Usehikinghikinghikinghikinghikinghiking
Department NameLuggage & BagsLuggage & BagsAdultsLuggage & Bags > BackpacksAdultsLuggage & Bags
Volume35 L38 L25 L35 L36 L22 L
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