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Osprey

Osprey Ultralight Drysack 20L backpack

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Features of Osprey Ultralight Drysack 20L

Product description of Osprey Ultralight Drysack 20L backpack

Description summary

Streamline your packing and protect your essentials with the OSPREY Ultralight Drysack 20L. This efficient packing solution keeps your gear perfectly organized and dry within your backpack or luggage. Its smart rectangular shape maximizes space, while the waterproof roll-top closure, coated fabric, and sealed seams (IPX5-rated) shield contents from the elements. Built sustainably from 100% recycled, bluesign® approved high-tenacity nylon, it´s as tough as it is eco-friendly. A D-ring adds versatility for drying or attaching. Reservoir is not included

Reservoir is not included.

Features:

An efficient packing solution, the 20-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 20 L - Packing Organisation Accessory.

An efficient packing solution, the 20-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 20L

  • Capacity

    20 L

  • Material density

    40D nylon

  • Color

    Black

  • Capacity

    11-20 L

  • Gender

    Men

  • Gender

    Women

  • Age

    Adult

  • Recommended Use

    Hiking

  • Structure

    Frameless

Features of Osprey Ultralight Drysack 20L

Color Black

Color

Black

Capacity 11-20 L

Capacity

11-20 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: Features a rectangular shape that fits better inside a larger pack compared to traditional round dry sacks.

Lightweight Organization: Provides 20L of capacity in a frameless design to organize gear without adding significant weight.

Sustainable Construction: Made from bluesign® approved, GRS-certified 100% recycled 40D high-tenacity nylon.

Technology in Osprey Ultralight Drysack 20L backpack

Energy rating

Warnings

5 / 5

1 Reviews

What our customers are saying about Osprey Ultralight Drysack 20L backpack

Osprey Ultralight Drysack 20L backpack

Excellent product

2024/05/05

Yazmin

Excellent bag, better than I expected

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 20L backpack

Is the Osprey Ultralight Drysack 20L environmentally friendly?

Answer of Generated by AI and verified

Yes, this product incorporates sustainable materials. It is constructed from bluesign® approved, 100% recycled 40D high-tenacity nylon. Additionally, all DWR treatments used on the fabric are made without PFAS.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

What is the main purpose of the Osprey Ultralight 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 water inside a larger backpack or piece of luggage, making it ideal for hiking and travel.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

Is the Osprey Ultralight Drysack 20L worth buying for eco-conscious travelers?

Answer of Generated by AI and verified

Yes, the Osprey Ultralight Drysack 20L is made from 100% recycled, bluesign® approved high-tenacity nylon, making it a great choice for eco-conscious travelers.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

What is the capacity of this dry sack?

Answer of Generated by AI and verified

This Osprey Ultralight Drysack has a capacity of 20 liters.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

What material is the Osprey Ultralight Drysack made from?

Answer of Generated by AI and verified

This dry sack is constructed from bluesign® approved 100% recycled 40D high-tenacity nylon.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

How waterproof is this dry sack?

Answer of Generated by AI and verified

This means it can protect contents from water jets from any direction but is not designed to be fully submerged in water.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

What type of closure does this bag have?

Answer of Generated by AI and verified

This dry sack features a roll-top waterproof closure to secure your belongings and protect them from moisture.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

What is the shape of this dry sack?

Answer of Generated by AI and verified

The dry sack has a rectangular shape, which is designed for more efficient packing and stacking within a larger backpack or piece of luggage.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

Can I use this dry sack for hiking?

Answer of Generated by AI and verified

Yes, this dry sack is specifically recommended for hiking. It is designed to keep your gear organized and protected from the elements within your main hiking pack.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

Is this dry sack suitable for organizing clothes in a suitcase?

Answer of Generated by AI and verified

Absolutely. It's designed as a packing organization accessory, and its rectangular shape makes it very efficient for packing inside travel luggage to keep clothes or other items organized and protected.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

Is the Osprey Ultralight Drysack 20L suitable for outdoor adventures?

Answer of Generated by AI and verified

Yes, the Osprey Ultralight Drysack 20L is designed for hiking and other outdoor activities, providing efficient packing and protection for your gear.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

Can the Osprey Ultralight Drysack 20L be used with a hydration reservoir?

Answer of Generated by AI and verified

The Osprey Ultralight Drysack 20L does not include a reservoir, but it can be used alongside one for added versatility.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

Is the Osprey Ultralight Drysack environmentally friendly?

Answer of Generated by AI and verified

Yes, this drysack is designed with sustainability in mind. It is constructed from bluesign® approved, 100% recycled 40D high-tenacity nylon. Additionally, all DWR water-repellent treatments used are made without PFAS.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

What is the main purpose of the Osprey Ultralight Drysack?

Answer of Generated by AI and verified

The Osprey Ultralight Drysack is designed as an efficient packing and organization accessory. Its primary purpose is to keep your gear organized and protected from water inside a larger backpack or piece of luggage, making it ideal for hiking and travel.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

What is the closure system on this drysack?

Answer of Generated by AI and verified

This drysack features a waterproof roll-top closure system to help protect your belongings from moisture.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

Is the Osprey Ultralight Drysack 20L worth purchasing for hiking?

Answer of Generated by AI and verified

The Osprey Ultralight Drysack 20L is a great choice for hikers looking for a reliable and eco-friendly packing solution. Its waterproof design and durable recycled nylon make it a valuable addition to any hiking gear.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

What is the water-resistance rating of this drysack?

Answer of Generated by AI and verified

This drysack meets the IPX5 waterproof standard. This means it is protected against water jets but is not designed to be fully submerged.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

What is the capacity of the Osprey Ultralight Drysack?

Answer of Generated by AI and verified

This Ultralight Drysack has a capacity of 20 liters, making it suitable for organizing essential gear.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

What material is the Osprey Ultralight Drysack made from?

Answer of Generated by AI and verified

This drysack is made from bluesign® approved 100% recycled 40D high-tenacity nylon, offering a balance of durability and light weight.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

Does this drysack have any attachment points?

Answer of Generated by AI and verified

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

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

Can I use this drysack for kayaking or other watersports?

Answer of Generated by AI and verified

However, it is specified as non-submersible, so it may not be suitable for activities where it could be fully underwater.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

Is this drysack good for organizing gear inside a hiking backpack?

Answer of Generated by AI and verified

Yes, absolutely. It is designed as a packing organization accessory with a rectangular shape for efficient packing inside a larger backpack. It helps keep your gear sorted and protected from the elements during your hike.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

Is this drysack designed for men or women?

Answer of Generated by AI and verified

The Osprey Ultralight Drysack is a unisex product, designed to be used by anyone.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Osprey Ultralight Drysack 20L backpack

How does the material of the Osprey Drysack compare to the Regatta Boulder backpack?

Answer of Generated by AI and verified

The Osprey Ultralight Drysack is made from 40D high-tenacity nylon, focusing on a lightweight and waterproof design. In contrast, the Regatta Boulder 20l Backpack is constructed from 600D Polyester, which is a different type of material.

* Generated by AI based on customer and product data

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Use cases

Day Hiking Gear Organization 100% Fit

With a 20L capacity and a roll-top waterproof closure, this drysack is perfect for keeping extra layers, electronics, and food dry during day hikes. Its frameless structure makes it easy to pack inside a larger hiking backpack for modular organization.

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

Watersports Gear Protection 80% Fit

This drysack is a great choice for keeping your essentials safe from splashes during activities like kayaking, canoeing, or paddleboarding.

Roll-top waterproof closure,40D high-tenacity nylon material,D-ring for attaching

Travel Packing and Organization 80% Fit

Use this as a packing organizer within your main luggage to separate dirty or wet clothes from clean ones. The rectangular shape packs efficiently, and the lightweight nylon fabric adds minimal bulk to your travel setup.

Rectangular shape,Lightweight 40D nylon material,20 L capacity,Item type: Packing Organisation Accessory

Outdoor Activities 90% Fit

For the environmentally aware adventurer, this drysack is an ideal choice. It's made from bluesign® approved, 100% recycled high-tenacity nylon, allowing you to protect your gear while supporting sustainable manufacturing practices.

bluesign® approved material,100% recycled 40D high-tenacity nylon,Durable construction for long-term use

Best for

Best for Day Hikers

Material: bluesign® approved 100% recycled 40D high-tenacity nylon; Water resistance: IPX5 (Meets IPX5, waterproof non-submersible); Recommended use: hiking

Ideal for Adventurers

Offering reliable waterproof protection in a 20L capacity, this drysack provides essential functionality for casual outings without a premium price tag.

Price tier: entry; Capacity: 20 L; Water resistance: IPX5 (Meets IPX5, waterproof non-submersible)

Great for Family Outings

Its 20L capacity is perfect for group essentials, and the durable, waterproof nylon construction ensures everything stays dry, making it a practical choice for any family adventure.

Capacity: 20 L; Water resistance: IPX5 (Meets IPX5, waterproof non-submersible); Material: nylon (bluesign® approved 100% recycled 40D high-tenacity nylon)

Benefits

FunctionalKeeps Gear Dry and Protected

Confidently carry your essentials knowing they are protected from the elements. This drysack features a roll-top waterproof closure and meets IPX5 water resistance standards, making it waterproof for non-submersible situations.

Closure type: roll-top waterproof closure

Type of rucksack backpack holdall: dry sack

FunctionalOrganize and Secure Your Gear

Designed as a packing organization accessory, this 20L drysack helps you sort and separate your gear within a larger pack. The rectangular shape allows for efficient packing, and an integrated D-ring provides a convenient point for attaching or drying.

Item type keyword: Packing Organisation Accessory

Shape: rectangular

Features: D-ring for drying or attaching

Ideal buyer profiles

The Adventurer

This individual prioritizes outdoor gear that is both functional and environmentally responsible. They are active hikers and travelers who need reliable equipment that aligns with their values, seeking products made from sustainable materials without compromising on performance.

This drysack is an ideal choice because it's constructed from bluesign® approved 100% recycled 40D high-tenacity nylon, directly meeting the need for eco-friendly gear.

Ideal Buyer

This hiker values simplicity, efficiency, and keeping their gear protected and organized within a larger pack. They look for lightweight, single-purpose accessories that solve a specific problem, like keeping essential clothing or electronics dry, without adding bulk or complexity.

With its 20L capacity, this frameless drysack offers ample space for essentials while remaining exceptionally light.

The Family Outdoors Organizer

This person is responsible for packing and organizing gear for family trips, whether it's a day hike or a weekend camping trip. They need a simple, durable, and effective way to separate wet or dirty clothes from clean items or to protect electronics and spare outfits from unexpected rain.

The Osprey Ultralight Drysack's 20L volume is great for stashing a child's extra clothes or separating items for different family members. The roll-top waterproof closure is straightforward to use and effectively seals out moisture, while the durable 40D nylon fabric can handle the rigors of family adventures.

Competitive features

When evaluating the Osprey Ultralight Drysack 20L, it's important to understand its primary function. It's designed to keep gear organized and completely dry within a larger piece of luggage or a main hiking pack, rather than serving as a standalone backpack for carrying items on your back.

Where it excels

Constructed from 100% recycled, bluesign® approved high-tenacity nylon, it stands out for its commitment to sustainability and durability. Its specific design as a rectangular drysack maximizes packing efficiency inside another bag, ensuring no space is wasted, which is a different goal than that of a standard backpack.

Consider alternatives if...

If you need a primary backpack for carrying gear on hikes or for daily use, alternatives like the Martes Zlatna 30L or Joluvi Enol Print M 20L are more suitable as they are designed with shoulder straps and suspension systems for comfortable carrying. For users seeking a simple, all-in-one carrying solution for short trips or daily commutes, a conventional backpack like the Six Peaks Icon or Naturehike 18L would be a more practical choice.

Verdict

The Osprey Ultralight Drysack 20L is not a direct competitor to the other backpacks in this comparison; it serves a different, more specialized purpose. It excels as a waterproof, durable, and eco-friendly organizational tool for protecting contents within a larger bag. If your priority is keeping gear dry and organized during travel or hiking, the Osprey is an excellent choice. However, if you're looking for a standalone backpack to carry your essentials, you should consider one of the other options.

Specs comparison

Favorite On Favorite Off
Favorite On Favorite Off
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MaterialnylonnylonnylonNeoSpacer mesh
Water ResistanceIPX5IPX5 rated--
Capacity20 L35 L21-30 L6 L
Intended Usehikinghikingurbanhiking
Department NameLuggage & Bags > BackpacksAdultsLuggage & BagsLuggage & Bags
Type Of Rucksack Backpack Holdalldry sackpacking organisation accessoryframelesssling
Volume20 L35 L21 L6 L
Material Density40D nylon40D nylon40D-

Specs vs competitors

Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Materialnylonsyntheticpolyestersynthetic-synthetic
Water ResistanceIPX5-waterproof TPU coatingPFC-free durable water repellent (DWR) finishwater-repellentdurable water repellent finish
Capacity20 L20 L20 L15 L22L20.0 L
Intended Usehikingurbanhikinghikinghikinghiking
Department NameLuggage & Bags > BackpacksLuggage & BagsLuggage & Bags > BackpacksLuggage & Bags-Luggage & Bags > Backpacks
Type Of Rucksack Backpack Holdalldry sackbackpackframelessdaypackFrameless, Foldable-
Volume20 L20 L20 L15 L22 L20 L
Material Density40D nylon600D Polyester600D600D Polyester Ripstop210D600D Polyester
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