With amazing thermal insulation, the Peter Storm Women'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.FeaturesThermal construction - keeps you warm.Stretch design - for a perfect fit.Half zip - adds ventilation.Fabric: 65% polyester, 35% viscose