Minus33 Merino Wool Men's Sentinel Midweight Short Sleeve Crew 100% Merino Wool Imported QUALITY MIDWEIGHT BASELAYER: 100% Merino Wool super soft and comfortable. Easy care technology means your merino wool is machine washable and dryable. Versatility and warmth make this merino wool crew neck t-shirt an essential part of your outdoor gear. CRAFTED TO FIT: Sizes XS to 3XL in a regular fit midweight t-shirt. Outfitting anyone with everyday-wear 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: 100% 18.5 Micron Merino Wool 230 g/m2 Interlock knit construction with flatlock seams. Garment Weight Size Large = 10.4 oz. (295 grams). UPF Rating 50+