The diversity and specificity of winter sports require solutions that are suitable for changing weather conditions and provide complete freedom of movement. As a result, seamless underwear provides high thermal insulation properties and thermal comfort during both long hours spent on the slopes and your favorite everyday activities in cold weather. men's thermoactive shirt 4F (TOP) slim cut, adapting to the silhouette standard cut reaching to the hips made of synthetic material that ensures durability and is easy to care for the addition of 47% polyamide makes the material more resistant to stretching and creasing uniform colors that match many styles seamless construction, suitable as a first layer of clothing round neckline 4FSkin technology ensures perfect fit and freedom of movement dominant material: polyester