Minus33 Merino Wool Women's Tanana Expedition Crew 100% Merino Wool Imported QUALITY EXPEDITION 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 thermal an essential part of your outdoor gear. CRAFTED TO FIT: Sizes XS to 3XL Minus33 offers a large size selection in a princess cut regular fit. Outfitting anyone from the Hard-at-Work to the Hard-at-Play. EXPERIENCED BRAND: Although there are many copy-cats on the market today, Minus33 has been a trusted brand since 2004. 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 400 g/m2 Interlock knit construction with flatlock seams. Garment Weight Size Medium = 12.8 oz. (362 grams). UPF Rating 50+.