Our J Bag is a Manhattan Portage original that started the trend of ergonomic backpacks across the globe. Size: 16.5 x 21 x 7 inches(42 x 53.5 x 18 cm) (WxHxD) Weight: 0.80 lbs (0.40 kg) Volume: 2000 cubic inches Fabric: High-Quality CORDURA? Plus Nylon by Invista FEATURES Zippered pocket on the front for your smaller items. Large main zippered compartment Wear over your left over your right shoulder Padded shoulder strap for your comfort Ergonomic design that distributes weight evenly across back Water-resistant coating