The Terramar Men's Thermasilk Crew Tall Underwear are comfortable and breathable. The thermal underwear feature moisture management and natural breathability. The Made with 100% filament silk jersey, these pants make a great, warm base layer for the winter. Plus, Thermasilk clothing offers UPF protection and provides all-day comfort.

• 100% filament silk thermal underwear is comfortable and warm

• Natural breathability for all-day comfort

• UPF protection built into the fabric

• Featuring moisture management to wick away sweat