Womens TCA SuperThermal Long Sleeve Performance Base Layer  Top. #1 International Best-Seller! Super Soft, Stretchy, Thermal long sleeve Base Layer for unbeatable Comfort & Warmth. Perfect for Running, Walking, Hiking &  outdoor activity.  Endorsed by professional athletes and elite trainers. SuperThermal Fabric is lightly brushed on the inside to create an exceptionally soft surface that Retains Heat next to the body, keeping muscles warm & active in even the coldest conditions! 4-way stretch fabric creates a snug fit that moves with you & won’t restrict movement! Can be worn on its own, or underneath another top as a base layer. TCA D.R.Y. technology wicks sweat from the skin, allowing it to rapidly evaporate on the fabric surface, keeping you dry, light & comfortable at all times!