The Tarn Hydration Pack carries 1.5 litres of fluids (bladder included) in comfort. It has adjustable waist and chest straps, wicking air mesh back and shoulder straps, quick access pocket, headphone port and inner stash pocket for valuables. Perfect for those longer runs, hikes or cycle routes. Additional front quick access pocket for essentials and bungee cords give extra storage allowing you to carry more than just liquid.