Layer one matters most. Featuring a quarter zip, this lightweight grid fleece performs as a breathable base or solo layer. Flatlock seams reduce chafing for long-lasting comfort. We love it for: cold weather running 67% recycled polyester, 27% polyester & 6% spandex Quarter zip Lightweight grid fleece Warm, stretchy & quick-drying Tailored fit Flatlock seams Locker loop Elbow patches Machine wash cold, tumble dry low, don&';t bleach, mmkay? Designed in California, made abroad