The Smartwool Women's Intraknit Merino 200 Pattern Bottom is a base layer that contributes during adventure and around town. The Slim Fit legging is engineered to be lightweight with a clean finish, allowing for all day comfort. The merino wool, polyester and elastane blend regulates temperature, wicks moisture and dries fast so you can ski, hike and enjoy the cold weather and still look good when in town for a bite or at the lodge. Features of the Smartwool Women's Intraknit Merino 200 Pattern Bottom Merino Sport yarn combines the power of Merino with the durability and fast dry times of polyester Engineered construction Uses knit structures to enhance Performance with lighter weights and cleaner finish Mesh ventilation seamlessly knit in gender-specific zones designed to keep the body dry and comfortable 3D mapping results in near custom Fit and freedom of movement while ribbed elbows provide added durability Fabric Details 53% Merino Wool, 45% Polyester, 2% Elastane