COMFORTABLE DESIGN - For those who desire the comfort of a backpack with the ideal storage capacity of a blind bag, this daypack is the perfect selection. SIZE DIMENSIONS - 18.5" Height x 11.5" Width x 8.5" Depth. MATERIALS - Durable HD2 material and cushioned backing. POCKETS - Hydration pouch compartment, hydration tube pocket, front zippered pocket, and two side mesh pockets. STRAPS - EVA shoulder straps, chest strap, and waist strap