展开A technical mid layer designed to insulate and breathe during cold, high-output days up in the mountains, out on the slopes or on the trails, the updated Descender Long Sleeve Zip is designed for those on the move. Made with icebreakers 240gm textured RealFLEECE with corespun fibersnylon strands wrapped in merino wool for added durability and quicker dryingthe Descender features a high-loft brushed back with heat-trapping channels to help regulate your temperature during technical high-exertion pursuits like skiing, climbing or running in cold conditions. Lighter-weight side panels help manage moisture and dump excess heat when youre moving fast, and the zippered chest pocket with media cord port keeps your music flowing or stashes small essentials. We also added flatlock stitching throughout and forward-set seams for total comfort.