Features of the Smartwool Men's Intraknit HyFi Full Zip Hoodie 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 Two secure hand pockets with zippers Loose Fitting hood with drawcords for adjustability Fabric Details 50% Merino Wool, 50% Polyester