H&L Trade Group-----a leading Thermal Underwear supplier in China; within more than 20 years of manufacturing, we have been trying to find the best solution for making practical and comfortable thermal underwear; Three-layer design satisfied the need for sweat exhausting and warmness keeping, inner layer adopt Polyester Fibre, perfect touch with your skin, This is your best choice in winter, as well for camping, hunting, sporting and voyage.We never stop exploring innovation,Contact us, get you warmmmmm.