QUALITY MICROWEIGHT BASELAYER: Designed to be First-On-Last-Off extreme comfort quality active wear. Soft feather-like feel so you are not weighed down on the move. The best in easy care technology means your Woolverino is machine washable and dryable. Our Woolverino has moisture wicking properties and that means you won't have to wash it as often so you'll use even less water. CRAFTED TO FIT: Sizes S to 3XL Regular Fit. Outfitting anyone from the active athlete to the comfortable couch-potato. EXPERIENCED BRAND: Although there are many copy-cats on the market today, Minus33 has been a trusted brand since 2004. IMPORTED: As the legacy of a 100+ year old USA based woolen company, Minus33 knows quality and comfort in Merino Wool. We are committed to bringing you the best Merino Wool products at a reasonable price. TECHNICAL DETAILS: 84% 17.5 Micron Merino Wool, 12% Nylon, 4% Spandex 145 g/m2 Jersey knit construction with flatlock seams. Garment Weight Size Large = 6.6 oz. (186 grams). UPF Rating 20 PRODUCT STORY : The Woolverino Men's Micro T-Shirt is great as a base or solo layer, whether you are hitting the gym or setting foot on the trails. Yoked shoulders and side panels create a garment that moves with you. Our new Micro weight fabric brings you a soft, featherlike feel so you aren't weighed down on the move. Light and breathable, this will become your favorite t-shirt for year-round exercise.