As the lightest weight, most packable jacket in the line, the men's Burton [ak] 3L GORE-TEX Freebird Jacket combines ultimate performance with a low-volume design that only takes up a little space in your backcountry pack. GORE-TEX C-KNIT™ stretch fabric delivers best-in-class waterproofing and breathability, repelling heat-robbing sweat vapors for total comfort on both the climb up and the ride down. YKK water-resistant zippers provide further weatherproofing. Utility chest pockets accommodate splitboard skins to keep them warm and sticky for that last lap. All backed by a lifetime warranty.