QUALITY MIDWEIGHT BASELAYER: 100% Merino Wool is super soft and extremely comfortable. This three season merino crew neck thermal has the versatility and warmth to make this an essential part of your outdoor gear. Made to fit sizes XS to 6XL and Tall Sizes M-Tall to 4X-Tall (4XL to 6XL and Tall sizes in Black Only) Minus33 offers the largest size selection. Outfitting anyone from the Hard-at-Work to the Hard-at-Play. PERFECT TO WEAR FOR: any adventure. That would be skiing, snowboarding, hiking, camping, or just everyday wear, This shirt is breathable so you don't have to worry about over heating or sweating through it since it has moisture wicking properties. Our crew has tagless construction so you don't have to worry about the annoyance of the unwanted itch. You can wear this long sleeve as a base layer, mid layer, or even outer layer so you can get as many uses out of it as you would like! EXPERIENCED BRAND: Although there are many copy-cats on the market today, Minus33 has been a trusted brand since 2004. We see it all – from beautiful fall leaves, to white, snowy winters, to colorful springs and summers. We’re New Englanders, plain and simple. We’ve been hiking, camping, skiing, and everything else in between since we were kids. No amount of snow keeps us down, and we only continue to thrive in the summer. 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: 100% 18.5 Micron Merino Wool 235 g/m2 Interlock knit construction with flatlock seams. Garment Weight Size Large = 11.2 oz. (315 grams). UPF Rating 50+