The Track Hydro Bag is every runner's and cyclist's dream bag. It s made of ripstop fabric, is highly reflective and lightweight with the space for a 2 litre bladder, to ensure you stay hydrated. Capacity: 6 litres capacity; 4 litre compartment and 2 litre bladder pocket (bladder not included). Ripstop fabric: stop rips in their tracks with this heavy duty fabric. Padded airmesh back. Soft and breathable, the padded airmesh is raised and contoured to provide comfort while carrying. Comfort & support: Padded mesh shoulder straps and sternum strap for support Highly reflective: Be safe, be seen! Reflective print to make you more visible in the dark. 6 litres capacity, 4 litre compartment 2 litre bladder pocket (bladder not included). Ripstop fabric. Airmesh back. Padded mesh shoulder straps. Highly reflective.