Osprey Ultralight 12L Waterproof Dry Sack — Orange, Rectangular Packable Roll-Top with D-Ring

Osprey's Ultralight 12L Waterproof Dry Sack is a compact, rectangular roll-top dry bag that protects and organizes gear inside backpacks and luggage while remaining featherlight.

Designed for hikers, travelers, and anyone who needs tidy, water-resistant storage, this 12-liter dry sack combines a space-efficient rectangular profile with lightweight waterproof materials and taped seams. It fits neatly into packs, suitcases, and daybags so you can separate electronics, clothing, or wet items without adding bulk. The bright orange color also makes packed contents easier to find and lets you color-code gear across different sizes.

How does the rectangular shape improve packing efficiency?

The rectangular silhouette stacks and nests better than round dry bags, reducing wasted space inside backpacks and luggage. That shape keeps the sack from rolling and helps compress soft items for a tidier load.

• Flat sides align with pack interiors for more usable volume
• Smoother stacking under heavier items to maintain balance
• Better compression of clothing and soft gear for efficient use of space

What level of water protection does this dry sack provide?

This sack uses waterproof-coated fabric plus sealed seams and a roll-top closure to keep splashes and rain out. It carries an IPX5 rating, meaning it resists water from low-pressure jets—but it’s not intended for full submersion.

• Roll-top closure creates a secure, adjustable seal
• Waterproof coating and taped seams limit moisture ingress
• IPX5 rating: protection from splashing and spray, not immersion

How lightweight and portable is the 12L model?

At roughly a tenth of a pound, this dry sack adds almost no weight to your kit, making it ideal for weight-conscious outings like day hikes, bikepacking, or plane travel. The Ultralight construction folds down small when empty for convenient storage.

• Item weight approximately 0.1 lb keeps base weight low
• Folds flat to slip into pockets or small compartments
• Available in multiple volumes so you can pick the right capacity

What convenience and attachment options are included?

For drying or securing to other gear, the sack includes a D-ring that lets you clip it to harnesses, pack lash points, or hang to air-dry. The bright orange finish improves visibility when searching through layers of gear.

• D-ring for hanging, drying, or clipping to a carabiner
• Color-coded availability across sizes simplifies organization
• Rectangle dimensions (13.8 x 8.7 x 6.7 in) fit many pack pockets

Who is this for?

This 12L Osprey Ultralight Dry Sack suits hikers, canoeists, commuters, and frequent travelers who need reliable weather resistance without adding weight or wasted volume. Pick this model if you want a compact, pack-friendly solution to keep clothes, electronics, or wet items separated and protected in daypacks or checked luggage. Choose a different size if you need more or less capacity; the design and color options make it easy to build a coordinated set for multi-day trips or family travel.