Gore Bike Wear Women's Alp-X 2.0 Thermo Lady Jersey 88% NYLON,12% ELASTANE,INSERT:85% NYLON,15% ELASTANE, Imported Over or under: a cycling jersey made of push-pull material that can be worn under layers in cold weather, or on its own in moderate temperatures. Anti-slip features on the shoulders. Slim fit Silicone print on shoulder area for abrasion resistance Close fit collar Full length zip with semi-lock slider Zip-underflap and zip-port 2 zip pockets on back Silicone print on shoulder area for abrasion resistance Close fit collar Full length zip with semi-lock slider 2 zip pockets on back