Like new - no signs of wear noticed Black/white Medium Fit: Slim - intended to follow the contours of the body Featuring Intraknit™ technology: Insulation, articulation and ventilation are seamlessly integrated t Merino Sport yarn combines the power of Merino with the durability and fast dry times of polyester Seamlessly knit mesh ventilation designed to keep you dry and comfortable 3D mapping provides maximum mobility while ribbed elbows provide added durability 52% Merino Wool, 44% Polyester, 2% Elastane, 2% Polyamide Smartwool Men's Intraknit 200 Thermal Merino Base Layer Bottom Black-White Med