Made with a special two-layer soft jersey knit, this men's thermal top is sure to keep you warm when you need it most. The unique double layer construction of this men's underlayer traps warm air between the two layers for excellent thermal retention, while the special Acclimate Dry hydrophobic yarns provide additional moisture management to wick away moisture, keeping you dry. Double Layer's relaxed fit makes this men's thermal top a great utilitarian garment.