When you need one pack for all your day adventures, the Protium offers impressive multi-activity versatility. With a body-contouring back system that flexes as you move, its equipped for all-mountain day hikes, scrambles, and pushing the pace on any terrain. Its slick, streamlined appearance and adaptable storage features combine to create a modern do-it-all pack that youll take wherever youre headed. All-Day Hiking Pack | Designed for day hikes, this big backpack brings all the hiking gear all over the mountain. Air Contour Suspension | Stable, close-fitting back panel provides semi-rigid support and free-moving flexibility for hiking technical terrain with a full pack. Adjustable Back Length | Along with the forward-pull hipbelt and padded shoulder straps, the back is also adjustable to provide the perfect fit for all body types. Trail-Ready Features | Rain cover protects your gear from wet weather. Large stretch front and side pockets are ideal for water bottles and layers. Internal zippered pocket secures valuables and electronics. Specs | [Best Use] Hiking; [Volume] 33L (1525cu in); [Weight] 1050g; [Back Length] 43 - 48cm; [Material] 100D Robic Nylon Ripstop, Hydroshield Coating, 70D X 140D Nylon; [Pockets] 1 Zippered Internal, 1 Stretch Front, 2 Stretch Side, 2 Zippered Hipbelt