Smartwool's lightweight Sparwood Crew Sweater flawlessly weaves classic style and absolute comfort together to create an essential cold weather staple. Don't do winter without it. . . 52% Nylon/30% Merino Wool/15% Acrylic/3% Other Fiber. Lightweight classic crew in a single layer jersey. Rib collar, cuffs, and hem. Weighs 11.5 oz. (326g). Imported. 191930886205 33037600021 SW000300