The icebreaker Men's 200 Zone Knit Leggings are a versatile base layer for cold weather layering. Made with 100% Merino wool, they are soft, comfortable, & naturally odour-resistant. Zone Knit body-mapped technology places high-ventilation zones where you need them most in order to regulate your body temperature. The next-to-skin fit, flatlock seams, & low-profile waistband function to ensure smooth layering & chafe-free comfort.