Topeak Air BackPack Compartments Two Main / Two Side Pockets / One Front Pocket / One Bottom Pocket Capacity 10.7 L / 650 ci / Fits Waist 28"-38" / 71.1-96.5 cm Packed Size 13 x 24 cm / 5.1 x 9.4 Size (L x W x H) 22 x (6) 13.5 x 50 cm / 8.7 x (2.4) 5.3 x 19.6 Weight 640 g / 1.41 lbs (Bag only)