Half-Zip Not Half-Empty. Not all challenges are created equal, but they're a lot easier with the right layers. The women's Burton Stockrun Grid Half-Zip Fleece is that midlayer that makes all the difference under your shell and that cuts the chill as the sun goes down. FEATURES: 89% Polyester, 11% Spandex Grid Fleece Slim fit sits close to the body, with room for the garment to move with you Chafe-free chin guard Raglan sleeves Stretch cuffs with stretch-binding thumb loops Locker loop Drop hem for extended length and added coverage Zippered chest pocket Lifetime Warranty