1 price for group of 3 t-shirts - 1 each - White, Grey, Black 100% Polyester Terramar Sports ClimaSense technology is engineered to recognize an individual’s need to warm up or cool down. When you are cold the fiber structure reacts by contracting to trap air and create heat. The Transport line features all active flat seam construction, rolled forward shoulder seam and is tagless! Made with 92% Recycled Polyester and 8% polyester. Baselayer - 1.0 - alone in warm weather or the next-to-skin layer in cold weather Shirts have been washed, hardly worn, from a smoke free house, no rips, tears, or stains.