Gore Bike Wear Men's Alp-X 2.0 SO Zip-Off Sleves WindstopperJacket, White/Black, Small SHELL:100% POLYESTER,WINDSTOPPERMEMBRANE,100% POLYESTER,STRETCH:92% POLYESTER,8% ELASTANE,WINDSTOPPERMEMBRANE,92% POLYESTER,8% ELASTANE, Imported Windless Alp-X jacket. Innovative, non-bulky collar and hem solutions that keep the jacket close to the skin. Feel comfortable, without air infiltration. This lightweight Soft Shell also turns quickly into a tight-fit vest. Slim fit Stretch inserts for optimum freedom of movement Napoleon pocket with zip 2 zip pockets on back Mesh pocket on back Full length zip with semi-lock slider Stretch inserts for optimum freedom of movement Napoleon pocket with zip 2 zip pockets on back Full length zip with semi-lock slider