Windstopper is a material developed by Gore, boasting "high windproofness to block cold winds" and "high breathability to release water vapor from sweat inside the clothing." It's a material similar to Gore-Tex. It keeps the inside of the clothing dry and comfortable even on windy days, preventing cold and body temperature drop. It has no signs of use and is in beautiful condition. Size: L Actual Size: Back width 57cm, Back length 69cm, Sleeve length (from center of back to cuff) 85cm (measured by hand) Material: 100% Nylon ePTFE laminate (GORE-TEX) Color: Yellow/Blue Weight: Approximately 209g