U.S. Military Surplus Polartec SilkWeight Base Layer Shirt, New - 734571, Military Underwear & Long Johns at Sportsman's Guide
Long Sleeve Sun Protection: Patagonia Capilene Silkweight Base Layers | The Radavist | A group of individuals who share a love of cycling and the outdoors.
XGO FROG Silk Weight Base Layer Thermal Top | Military Issue New
Corbeaux TJ Pant Silkweight Base Layer | USA-Made Adventure Apparel
Rothco Gen III Silk Weight Underwear Top (Coyote)
Men's NRS Silkweight Long Sleeve
ECWCS Gen III Silkweight Long Underwear - Long John, Base Layer – Grunt Force
US Army Silkweight Thermal Undershirt, Desert Sand (Gen III ECWCS) – McGuire Army Navy