Reference Lumber constructed in a totally windproof GORE-TEX Infinium fabric, which makes the jacket water resistant and windproof. Stretch fabric for the inner lining of the jacket. Micro tape on all seams and elastic tape at sleeve cuffs and bottom hem. YKK zipper at front and chest inner pocket. Reflective prints at sleeves and Sail Racing embroidery at chest. GORE-TEX Infinium Windproof and water resistant Inner lining in stretch Micro tape on all seams Elastic tape at sleeve cuffs and bottom hem YKK zippers Reflective prints at sleeves Sail Racing embroidery at chest 40108