With all the things in your closet - especially clothes you don't wear - you probably don't consider adding more to your collection. Yet with the shift to comfortable clothes that not only feel great but look great, silk thermal underwear is the new style for people in all lines of work, lifestyles and hobbies. Silk thermal underwear is the in ultimate comfort and even has a sexy appeal, such as with the popular Under Armour Team Hoops Reversible Top. Silk long underwear mens keeps you warm and cool, while wicking away at moisture so you never have to worry about sweat piling up. The materials used allow your skin to breathe and this popular wool thermal underwear is most commonly worn by athletes or those who work outdoors, including the bestselling Basic Men's Long-Sleeve Thermal Tee.