Material: water-resistant synthetic
Dimensions: (open)[large] 20 x 11 in, [medium] 18 x 11 in, (closed)[large] 20 x 7 in, [medium] 18 x 7 in
Pockets: hydration port, main compartment, multiple internal
Number Included: 1
Claimed Weight: [large] 14.2 oz, [medium] 12.7 oz