Great for century and long rides. Be more comfortable and get all that bulk out of your jersey. Seeing your nutrition through the clear cover helps remind you to keep replenishing your body's energy. Easy clean vinyl linings and tough Cordura 500 material. Easy one handed operation. The 1.5" wide hook and loop on the top cover permits a wide range of storage capabilites. Waterproof lid helps keep contents safe from sweat & rain.