ThisTactel fabric allows genuine regulations of body temperature - keeping you warm in cold conditions and cool in warm conditions.Ass importantly the fabric is highly breathable for optimum comfort. The fabric consists of soft micro fibers which wick sweat away from the body to the outer surface for quick drying and a great feel. This garment is constructed using a new seamless technology giving you maximum freedom of movement without irritation. The sides are ventilated to maintain correct cored body temperature and the snug stretch fir prevents muscle fatigue. Available in Black and Pink