The warmest fleece jacket in the Arc teryx Essentials collection, the Arenite is an effective midlayer in cold conditions and functions as a standalone in cool, dry situations. The Cobblecomb(TM) fleece has a lofty backer that provides soft, effective insulation, and a durable twill face that resists pilling and reduces friction and binding under a shell. Combining the warmth and moisture wicking properties of polyester with the stretch performance of elastane fibers, Cobblecomb(TM) delivers effective thermal regulation with freedom of movement. Features: Insulated Durable Stretch fabric allows you to move more freely Soft, inner face-fabric is comfortable next-to-skin Gusseted underarms Athletic fit provides freedom of movement with room for layers Tall collar Full front zip with chin guard Two hand pockets with laminated zippers Materials: Cobblecomb(TM) - 94% polyester, 6% elastane