No time for pit stops- its work to play with the Calistoga. A large main compartment stores all your quick outdoor-mission essentials and a padded sleeve fits most 15-inch laptops for a quick stash of work essentials. An additional front pouch hold odds and ends while the padded shoulder harness with sternum strap adds comfort to the carry. Two external water bottle pockets. YKK zippers. Weight: 1lbs 8oz (670g). Volume: 1830ci - 30 liters. Dimensions (Inches L x W x D): 19'' x 12'' x 11'' (48 x 31 x 28cm). Material: Polyester.