Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC and to all U.S. Military APO/FPO/DPO addresses.
Enjoy our FREE RETURNS
We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you decide that your purchase just isn't for you, simply return the item within 30 days of receipt and we'll cover the cost of return shipping. Learn more about our Return Policy.
Please Enable Your Browser's Cookies Functionality
Cookies are not currently enabled in your browser, and due to this the functionality of our site will be severely restricted.
Web browser based cookies allow us to customize our site for you, save items in your cart,
and provide you with a great experience when shopping OpticsPlanet.
Your privacy is important to us, and any personal information you supply to us is kept strictly confidential.
If you cannot enable cookies in your browser, please contact us — we are always here to help!
An excellent choice for practically anybody, the Terramar Thermasilk has been built to provide you with comfort and warmth. An effective pair of long john underwear helps keep you safe and warm in chilly temperatures. And because of the Terramar Thermasilk, the way to access a wonderful pair of long underwear has never been easier. In an attempt to make certain you possess a heavy duty and reliable choice for all of your winter requirements, these Underwear from Terramar are created using the tough materials that you have come to count on from this excellent organization. Terramar has been producing amazingly comfy long underwear for a long time, and the Terramar Thermasilk is the outcome of their initiatives to ensure the comfort of today's buyer. If you are looking for the perfect pair of long underwear for all your specifications, choose the Terramar Thermasilk.
100% Pure Silk Underwear. Natural, pure white, glossy, soft, incredibly light and warm. All Terramar Thermasilks come with the EC2 Qwik-Dri Electrostatic process which has the ability to actually lift the moisture molecules away from the body and break them down for rapid evaporation. Since the EC2 Qwik-Dri process alters the molecular signature of the yarn in the fabric, the moisture control is permanent. It won't wash out or wear off.
The Terramar Thermasilk is a quality addition to the Terramar lineup. For more great deals on Underwear by Terramar, please browse our Terramar Mens and Womens Apparel page.