Smarter Than Your Average Fleece Skin it, boot it, or just go for a hike. The women's Burton [ak] Helium Power Grid™ Full-Zip Fleece layers easily, dumps heat on the uphill, and delivers warmth on the way down. The pack-friendly design is wind and weather resistant on the front with an extra-breathable panel on the back. It's that go-to layering piece that can stand alone on the hike up and feels great under a shell, too. Features: Wear it for Everything You Do Four-way stretch fleece offers multi-sport utility and works as base or midlayer depending on the temperature. Warmth and Breathability Midweight Polartec® Power Grid™ fleece breathes great and manages sweat when your hiking or working hard. Small Details Make a Big Difference A snug next-to-skin fit and chafe-free seams add up to comfort that lasts all day long. Made to Layer A slim fit and thumbhole cuffs make for easy layering when you need to pull on a shell. Low Environmental Impact Bluesign® approved materials reduce impact on humans and the planet during manufacturing. Tech Specs: Fit Slim Fit Features + Tech Stretch Cuff with Stretch Binding Thumbloop YKK® Zippers Thumbholes Pockets Zippered Chest Pocket Zippered Handwarmer Pockets Imported Yes Fabric Polartec® Hardface® Fleece Blocked With Polartec® Power Grid® Fleece Warranty Lifetime warranty Burton Women's [ak]® Helium Power Grid™ Full-Zip Fleece - True Black