Hydration backpack backpack capacity 15 liter pack volume 2 litre application cycling model 2016 material 200 d nylon suitable for women men chest straps with chest strap adjustable hip belts with waist strap adjustable additional fastenings helmet holder carry handle top back panel pods 1 outside pockets base compartment side pocket front pocket internal pockets bike tool compartment glasses pocket mobile phone pocket hydration bladder compartment