This premiere women's 3SP(R) Zip top has a 13-inch zipper with reflective piping, streamlined panels to avoid friction points, and careful placement of fabrics to enhance their performance values. 3SP(R) blocks the wind, breathes, stretches and dries faster than any fabric on the planet. SwiftPro(TM) is also a force to be reckoned with: stretchy-soft, breathable, windproof to 25 mph, and quick drying. This half zip top offers optimal warmth and superb moisture management for highly aerobic zone 3 activities. Features: Shaped, form following fit, hits at high hip 13-inch reflective zipper Built-in thumbholes Embroidered logos Zippered pocket on left arm Chafe-Free body seams WindBlock 35 Semi-Fitted Materials: 3SP(R) (90% polyproplyene, 10% spandex)