Men's Extreme Warmth Base Layer Bottoms

The warmest base layer in your closet using our highest performing AlpacaTek Technology, creating maximum warmth for base layer bottoms. Our technical and thick heavyweight base layer offers unparalleled warmth without the bulk. Made with our patented Dry Fusion Technology® for ultimate moisture-wicking abilities performing at an 85% higher rate than merino wool and antimicrobial properties for antibacterial and odor-free wear. Alpaca fleece maintains high level thermal capabilities to keep you warm during every cold weather activity all day and night. Our multi-flex knit provides ultimate comfort and range of motion with twelve stretch panels in the upper glute, upper and lower outer thigh, knee, calf, and ankle. The tapered ankle fit allows ease when pulling on your footwear without excess bulk. Layer under your ski pants in the backcountry or wear alone after a long day outside to feel all of the technical and high performance benefits alpaca offers.