Sierra Designs Ultralight Trench Coat - Men's 30D 100% Nylon, 100% Polyester backer, WR, PU laminate With a 10oz total weight and 3-layer fabric, the UL Trench is the ultralight answer for those that want full protection and comfort next to skin Extra-long length protects your lap and seat from getting soaked Unique Hip Belt Vent allows your torso to vent while wearing a hip belt All new Awning Vents allow constant airfl ow under the arms Two interior drop in pockets