The Terramar 2.0 Thermolator CS Beanie features a unique blend of micro brushed polyester and spandex that give softness and four-way stretch while offering unparalleled warmth. This midweight, extremely comfortable beanie is a necessary piece when you need a warm, snug-fitting hat or low profile warmth under a hood or helmet.Constructed of 86% brushed micro polyester, 14% spandex stretch jerseyClimaSense (CS) treatment is designed to respond to your body's changing conditions to keep you comfortable no matter what your activity levelThe CS system adapts to the skin's surface temperature, providing a warming effect when you are cold and a cooling effect when you are active, with a dynamic moisture transport systemClimaSense offers advanced odor control and uses bluesign approved, performance based technologies360Adeg four-way stretch jersey knit construction allows unrestricted movement that won't stretch out or lose elasticityBrushed surface creates additional air-trapping warmth, breathes well, and dries fast to enhance moisture transportAnti-microbial treatment for odor controlFabric provides UPF 25+ sun protection, shielding skin from harmful ultraviolet raysDesigned to meet your performance level; for wear in cold to very cold temperatures with low to medium activityMachine washableImport