The Womens Helix Long Sleeve Zip combines sustainable materials with a sculpted fit and technical design. The Helixs zoned quilting features our MerinoLOFT insulation, which provides a warm, breathable and natural alternative to synthetic insulations. The recycled polyester face fabric features a DWR that sheds light precipitation. Merino jersey stretch panels in the sides and arms help regulate body temperature on active days, and the 100% merino lining ensures a cozy feel inside. Zippered hand and chest pockets keeps small essentials like lip balm, snacks and your phone close at hand. Fabric: Face: 100% Polyester Panels: 46% Polyester, 38% Merino Wool, 16% LYCRA Fill: 70gm MerinoLOFT 88% Merino Wool, 12% Polylactide, Lining: 100% Merino Wool, Product Weight: Medium = 490 g / 17.28 ozCare: Machine wash with similar colors. Do not use softeners, do not use bleach. Dries fast in the shade, do not tumble dry. Do not dry clean. Exact instructions on the care label.