Two stretch-mesh pockets on shoulder straps for storing GEL packets and/or Bite Valve docking station. Low-profile design fits under/over roost deflector and jersey. 600-denier/400-denier polyester exterior is durable and has a DWR coating to protect against extreme weather conditions. Rider-friendly, padded shoulder strap with adjustable sternum strap and tube routing system. Padded, air-mesh shoulder straps and back panel for wicking moisture away from your body. Tailored paneling to control slosh and bladder movement. Zippered stash pocket on front panel for essentials and small gear. One-piece zipper pulls reduce weight and noise during active pursuits. Reverse coil zippers help keep out dirt and debris. WebTECH feature safely secures excess webbing keeping the rider safe from potential hang-ups in wooded areas. Reflective trim enhances visibility in low-light conditions.