Osprey Ultralight Collapsible Stuff Pack – 18L Packable Daypack in Tundra Green

Meet the Osprey Ultralight Stuff Pack

Ultra-light and deceptively roomy, this collapsible day pack slips into your travel routine without weighing you down. When you land, it becomes a flexible companion for day trips, city roamings, or a handy extra bag for souvenirs on the return leg. Weighing just 0.329 lb, its design focuses on effortless carry and on-demand capacity.

On-demand capacity for travel and everyday adventures

Use it as a lightweight backup bag that expands your luggage at your destination and folds away when not needed. The 18-liter capacity gives you room for essentials, a light jacket, or a handful of finds from your adventures, with the option to stash it neatly inside larger bags or camping kits.

• Self-stores within its own pocket for space-saving packing
• Ideal for day trips, hikes, city explorations, or extra souvenirs

Smart materials and responsible design

The main body fabric is bluesign APPROVED, using 40D high-tenacity nylon that is 100% recycled, paired with a light, durable profile. This approach helps drive safer chemistry and responsible practices across the supply chain.

• Bluesign SYSTEM support for safer, more sustainable production
• GRS-certified recycled materials reduce waste without sacrificing performance

Organization and comfort you can feel

Thoughtful details keep you organized on the move. Dual stretch exterior pockets hold water bottles or small items, while an internal key clip makes sure you don’t lose your essentials. Breathable, padded mesh shoulder straps promote airflow during longer carries, and the adjustable sternum strap includes a practical emergency whistle for peace of mind.

• Breathable shoulder straps for comfortable wear
• Internal key clip plus easy-pull zippers for quick access

Specs and compatibility

Part of the Ultralight System, it pairs with packing and organization accessories to customize your setup. Dimensions run 7.48H x 8.66W x 16.54D inches, with a compact profile that’s easy to tuck into a larger bag. Weight is approximately 0.329 lb, emphasizing ease of carry.

• Dimensions: 7.48H × 8.66W × 16.54D in
• Weight: 0.329 lb
• Capacity: 18 L

Real-life uses and benefits

Whether you’re chasing a city stroll, a short hike, gym session, or a weekend away, this pack offers a flexible answer to fluctuating carry needs. Its packable nature means you can keep it ready for daily errands or reserve it as a compact travel companion for future adventures.

Why choose this for your kit?

Choose for lightweight convenience, sustainable materials, and a practical design that adapts to your plans. It’s not a guarantee of outcomes, but it can be a useful option when you want extra capacity without extra bulk.