Hydration backpack backpack capacity 6 liter pack volume 3 litre application cycling suitable for women men chest straps with chest strap adjustable hip belt adjustable carry handle top outside pockets front pocket special features reflective print padded back compression straps fastener zip series camelbak mountain bike weight 048 kg height 455 cm width 21 cm depth 19 cm colour black water reservoir camelbak crux water reservoir technol