WoolX Glacier - Men's Merino Wool Base Layer Top - Heavyweight Baselayer Crew Shirt For Extreme Warmth 100% Australian Merino Wool - 18.5 Micron - 400g/m Imported DESIGNED FOR EXTREME COLD: When temperatures hit freezing, our Woolx heavyweight mens baselayer is a must. The heaviest merino wool base layer or mid-layer clothing for camping, running, working, hiking, snowmobiling, skiing, playing sports, & hunting. EXTREME WARMTH & COMFORT: At 400g/m our mens merino wool crew shirt was built for extreme cold temps including temps below 0 Warmth without the bulk, weight of size large 17.6 ounces. Don't let the snow, sleet, & wind hold you back ALL DAY COMFORT : As a Merino Wool base layer, our winter tops pull moisture away from your body, giving you incredible comfort & natural odor control! We even added wide 3" cuffs and discreet thumbholes that make layering and extra hand warmth a breeze. SOFT & DURABLE: This is not your Grandpa's wool ...Discover for yourself the difference a 100% Merino base layer makes! This incredible fabric is ultra-soft, and it wont shrink or stretch in the washing machine or dryer. MONEY BACK GUARANTEE: Between the no-itch fabric and our great design, we know our mens baselayer tops will quickly become your new wintertime favorite. But just in case youre not completely satisfied, every order comes with a risk free guarantee!