Icebreaker Men's Legging w/ Fly:
Nothing beats the Icebreaker BodyFit150 Legging w/Fly for Men when it comes to baselayer insulation and comfort. Built with 100% 150g Ultralight merino wool, these Leggings come equipped with a functional fly, resist odor, wick moisture and are incredibly breathable, providing you with next to skin comfort and baselayer performance that surpasses all the competition.