This is the ultimate base layer. "Heatrub" is a next-generation smart undergarment with high heat generation and heat retention properties that provides approximately twice the warmth of a sweater and the same warmth as a coat. Excellent for Hiking, Skiing, Hunting, Fishing and Golfing!

[What is Heatrub?]
The ultimate cold weather protection. Just one piece is enough to keep you as warm as a coat. It boasts excellent heat generation and heat retention. The two-layer structure combines the heat generation and heat retention properties of the unique fleece lining with the moisture control properties of Thermogear, providing ample warmth and excellent ease of movement even when worn alone. This is a classic winter wear.