Fashion, Thermal and Comfortable- A Definite Must-Have for Any Wardrobe: '+MD Women's Seamless Crew Neck Long Sleeve T-shirt Thumb Hole Thermal Underwear Base Layer Tops and Tees is made with luxuriously skin-friendly fabric, which is incredibly soft to the touch and gentle to skin; Seam free design reduces friction on skin, ensuring lasting comfort and skin-friendly, which allows the clothes over it to move smoothly and it is idea fit for layering under clothes; The lovely thumb holes sleeve keeps the arm warm in cold weather; Moisture management technology wicks away moisture from your skin to keep you comfortable and refresh, retains heat when you need it, and stretches for a better, more comfortable fit. For the complete set, pair it with '+MD Women's High Waisted Seamless Long Pants Thermal Underwear Bottom. It will be a perfect layering piece for many cold days to come.