Gore Bike Wear Men's Alp-X 2.0 Gore-Tex Active Shell Jacket, Graphite Grey/Black, Medium 100% NYLON, GORE-TEXMEMBRANE, 100% POLYESTER, STRETCH: 89% NYLON, 11% ELASTANE, GORE-TEXMEMBRANE, 100% NYLON, GORE-TEXINSERT: 100% NYLON, GORE-TEXMEMBRANE, 100% POLYESTER Imported Mountain Bike tour specific: Very lightweight, waterproof and breathable mountain bike jacket. It performs well in various weather conditions and riding levels thanks to its ventilation features. Slim fit GORE-TEXStretch inserts on back and arms Napoleon pocket with zip Back zipped stow pocket Zip-off hood