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Osprey

Osprey Ultralight Drysack 35L backpack

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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

All DWR water-repellent treatments are made without PFAS.

Constructed from bluesign® approved, GRS-certified 100% recycled 40D high-tenacity nylon.

Designed with a rectangular shape for more efficient packing inside a larger bag.

Includes a D-ring for convenient drying or for attaching to other gear.

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

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)

Osprey Ultralight Drysack 35L backpack

Good brand

2025/04/25

Vitalii

It has good quality

Write a review about this product

Answer the question

Write your answer

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

2026-09-10

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

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

Ask a technical question about this product

Frequently bought together
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Use cases

Organizing Gear Inside a Larger Hiking Pack 90% Fit

With its 35L capacity and rectangular shape, this drysack is perfect for efficiently organizing clothing, food, or other essentials within your main hiking or travel backpack. Its primary function as a 'packing organisation accessory' ensures your gear stays neatly separated and easy to find.

35 L capacity,Rectangular shape for efficient packing,Type: packing organisation accessory

Protecting Gear from Rain and Water 95% Fit

This drysack offers reliable protection against wet conditions, making it a great choice for keeping electronics, spare clothes, or a sleeping bag dry during a hike.

Roll-top waterproof closure,Waterproof-coated fabric and seams

Day Hiking 80% Fit

For hikers who prioritize sustainability, this drysack is a practical choice. It's made from GRS-certified 100% recycled nylon that is also bluesign® approved, and all its water-repellent treatments are made without PFAS, minimizing its environmental footprint.

GRS-certified 100% recycled main body fabrics,bluesign® approved material,All DWR treatments made without PFAS

Watersports Gear Storage 75% Fit

Ideal for kayaking, canoeing, or paddleboarding, this drysack keeps your gear protected from splashes and spray.

Roll-top waterproof closure,D-ring for drying or attaching

Best for

Best for Adventurers

This drysack is made with bluesign® approved, 100% recycled nylon and PFAS-free DWR treatments, making it an excellent choice for those who value environmentally responsible gear.

Material: 'bluesign® approved 100% recycled 40D high-tenacity nylon', Additional features: ['GRS-certified 100% recycled main body fabrics', 'All DWR treatments made without PFAS']

Ideal for Value-Seeking Hikers

Material: 'nylon (bluesign® approved 100% recycled 40D high-tenacity nylon)', Price tier: 'entry'

Great for Organized Family Trips

With its 35L capacity and rectangular shape for efficient packing, this waterproof drysack helps keep everyone's gear protected and neatly organized inside larger bags.

Capacity: '35 L', Additional features: ['rectangular shape', 'roll-top waterproof closure']

Benefits

FunctionalReliably Protects Gear from Water

Keep your essentials safe and dry during your adventures.

Additional features: roll-top waterproof closure

Additional features: waterproof-coated fabric and seams

FunctionalGenerous Capacity for Your Essentials

Carry a substantial amount of gear without excess bulk. With a 35 L capacity, this drysack offers ample space for clothing, food, and other hiking essentials, serving as an effective packing organization accessory.

Intended use: hiking

Type of rucksack backpack holdall: packing organisation accessory

Ideal buyer profiles

The Organizer

This buyer prioritizes gear that is not only functional but also environmentally responsible. They look for products made with sustainable materials and processes, and appreciate smart design that keeps their equipment organized and protected from the elements during their outdoor adventures.

This drysack is an ideal choice because it's made from bluesign® approved, GRS-certified 100% recycled nylon with PFAS-free DWR treatments, directly aligning with their environmental values.

The Ultralight Backpacker

This individual is focused on minimizing weight and maximizing efficiency on the trail. They meticulously select each piece of gear for its performance-to-weight ratio and value items that serve multiple purposes or enhance their packing system without adding bulk.

As a frameless, ultralight drysack, this product helps keep overall pack weight down. The rectangular shape aids in stable, space-efficient packing, making it a crucial component of an organized and lightweight hiking setup.

The All-Weather Adventurer

This person hikes and travels in a variety of conditions and needs their gear to be dependable, no matter the weather. Their main concern is keeping their equipment dry and secure, whether they're caught in a downpour on the trail or kayaking on a lake.

The durable 40D high-tenacity nylon construction ensures it can withstand the rigors of frequent use in demanding environments, providing peace of mind that their valuables are safe from moisture.

Competitive features

When evaluating the Osprey Ultralight Drysack 35l, it's important to recognize its primary function as a packing organization accessory rather than a traditional backpack. Unlike the Trespass, Tropicfeel, Hi-tec, Cmp, and Columbus models, which are designed as standalone backpacks for carrying gear, the Osprey Drysack is intended to keep your belongings organized and protected from the elements *inside* a larger pack. Its key features are its waterproof construction and efficient shape for packing.

Where it excels

It is constructed from 100% recycled, bluesign® approved high-tenacity nylon, making it a strong choice for environmentally conscious buyers. Its rectangular shape is specifically designed for efficient packing, maximizing the usable space within a larger travel bag or hiking pack.

Consider alternatives if...

If you need a standalone backpack with its own suspension system for carrying gear on your back, alternatives like the Trespass Venoy or Hi-tec Mandor would be more suitable, as the Osprey product is a packing accessory.

Verdict

The Osprey Ultralight Drysack 35l is an excellent packing solution for anyone looking to organize and waterproof their gear within another piece of luggage. It is not a backpack itself but a highly effective, sustainably made accessory for travel and outdoor adventures. If you need a waterproof organizer, it's a top contender. If you need a backpack to carry on its own, you should look at other options.

Specs comparison

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MaterialnylonnylonnylonnylonNeoSpacer meshnylon
Water ResistanceIPX5 ratedIPX5----
Capacity35 L20 L18 Liters21-30 L6 L11-20 L
Intended Usehikinghikingurbanurbanhikinghiking
Department NameAdultsLuggage & Bags > BackpacksLuggage & BagsLuggage & BagsLuggage & Bags-
Type Of Rucksack Backpack Holdallpacking organisation accessorydry sackbackpackframelessslingframeless
Volume35 L20 L18 L21 L6 L11 L
Material Density40D nylon40D nylonAbrasion-resistant nylon40D-Ripstop Nylon

Specs vs competitors

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Materialnylonnylonsyntheticsyntheticsyntheticpolyester
Water ResistanceIPX5 rated---water-repellent-
Capacity35 L38 L25 L35 Litres36 L22 L
Intended Usehikinghikinghikinghikinghikinghiking
Department NameAdultsLuggage & BagsAdultsLuggage & Bags > BackpacksAdultsLuggage & Bags
Type Of Rucksack Backpack Holdallpacking organisation accessoryframelessbackpackframelessframelessbackpack
Volume35 L38 L25 L35 L36 L22 L
Material Density40D nylonNylon RipstopNylon Dobby WR---
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