This quarter - zip is perfect for sports events, team outings, or casual workdays. It's designed for men on the go, whether they're athletes or corporate team members. Made from 100% polyester sonic heather interlock weighing 3.8 oz./yd2 (130 gsm). It has a center front coil zipper with a semi - autolock slider and rubber pull, and a heat - sealed label for a clean look.