Marmot Kompressor Backpack Hydration Sleeve; Airmesh Shoulder Straps Perfect Size Sleeping Bag Stuff Sack Removable Closed-cell Foam Back Sheet Pack Stuffs Into Lid; Compression Straps Weight: 10 ozs / 284 g; Main Material: 70d 100% Nylon Double Ripstop; Main Material: 210d 100% Nylon Double Ripstop; Volume: 920 cu in / 15 litres