Coldpruf thermal underwear is designed to let you enjoy winter adventures like skiing and snowmobiling. Wear thermal crew undershirts and thermal pants for a base layer of protection against cold and icy weather.

Coldpruf thermal underwear uses innovative technology to lock in warmth.

• Big & tall sizes
• Two layers traps air to provide insulation.
• Soft cotton makes the inside comfortable
• Inside layer is 100% cotton; outside layer is 65% cotton, 25% Merino wool, and 10% nylon
• 6.6 oz fabric weight
• No scratchy tag
• Flat seams fit smoothly and comfortably
• Ribbed cuffs
• Drop tail for extra protection