With amazing thermal insulation, the Peter Storm Men's Long Sleeved Zipped Thermal T-Shirt has a close fit and a stretch design making it great for active cold weather pursuits such as skiing, trail running - or even walking the dog! Plus, a zip to the front adds ventilation should you need it. Features Thermal construction - keeps you warm. Stretch design - for a perfect fit. Half zip - adds ventilation. Fabric: 65% polyester, 35% viscose. An active zipped baselayer from Peter Storm. Zipped neck - allows for increased ventilation. Thermal fabric - retains heat. Fabric: 65% polyester 35% viscose. Recommended activity - fitness / walking / hiking.