Taking the Alloy to a new style. 1/2 zip with cleaner lines, accent center back vent and drawcord closure. 100% Polyester Waffle knit.SMLXLXXLXXXLNeck14-14.5"15-15.5"16-16"17-17"18-18"19-19"Chest34-36"38-40"42-44"46-48"50-52"54-56"Waist28-30"32-34"36-38"40-42"44-46"48-50"Reg-Sleeve32-33"33-34"34-35"35-36"36-37"36-37"