When your travel plans call for spontaneous day trips and souvenir shopping sprees, the Osprey Ultralight Stuff Backpack transforms from a tiny 5.3 oz bundle into an 18L powerhouse that's ready for anything. This packable daypack stuffs into its own pocket when not needed, making it the perfect travel companion that won't weigh down your main luggage. Built with 100% recycled nylon and featuring padded mesh shoulder straps with an adjustable sternum strap, it delivers surprising comfort for a pack this light while keeping your environmental footprint minimal. The dual stretch side pockets handle water bottles with ease, while the key clip keeps essentials secure as you explore new destinations – and with Osprey's legendary All Mighty Guarantee, this ultralight travel pack is built to handle whatever adventures you throw at it, trip after trip. Features Ultralight packable design stuffs into its own pocket for travel convenience Padded mesh shoulder straps with adjustable sternum strap for comfortable carry Dual stretch side pockets accommodate water bottles and quick-access items Integrated key clip keeps essentials secure and easily accessible Sustainably manufactured with recycled nylon and bluesign® approved materials All Mighty Guarantee provides lifetime warranty coverage Specification Value Dimensions 7.48 × 8.66 × 16.54 in | 19 × 22 × 42 cm Weight 149g (5.3 oz) Volume 18L (1,098 in³) Materials Body: 100% Recycled Nylon, 40 Denier, High-Tenacity