Men's HeatFX HEAVY WEIGHT Base Layer Long Johns Pajamas + Loungewear The form-fitting design ensures a

The form-fitting design ensures a snug fit that won't bunch or ride up

while cotton's inherent softness

Our merino collection is moisture wicking

This wool blend long underwear is made from a unique two-layer jersey knit fabric that offers you the ultimate in warmth and comfort

Men's HeatFX HEAVY WEIGHT Base Layer Long Johns Pajamas + Loungewear The form-fitting design ensures aPerformance fleece derived from a technically engineered fiber formation paired with a brushed back creates a garment of superior warmth. Microscopic "pockets" inside the fiber create a thermal warming effect next to you skin. It has inherent moisture management capabilities to keep you dry and warm. The dense knit construction with unique fiber formation give this fabric a lofty hand that makes it ideal for layering. This fabric is designed with