Constructed from an advanced poly-fabric that draws moisture away from the body & extended mesh inserts that give high levels of breathability, the Mesa Short Sleeve Jersey is perfect for summer riding. Constructed from an advanced poly-fabric to promote moisture wicking & temperature control. Short sleeve design for comfort & fit in warm weather conditions. Low open collar for ease of entry & riding comfort. Extended open mesh inserts on sides & back give enhanced breathability. Elongated lower back profile helps maintain fit & offers comfort. Convenient cloth patch located on side pocket for cleaning eyewear. Side pocket features a multimedia compartment with internal headphone conduit to store MP3 player or phone.