Minus33 Merino Wool Men's Isolation Midweight 1/4 Zip 100% Merino Wool Imported QUALITY MIDWEIGHT BASELAYER: 100% Merino Wool soft and comfortable. Easy care technology means your merino is machine washable and dryable. Versatility and warmth make this three-season merino wool 1/4 zip thermal an essential part of your outdoor gear. CRAFTED TO FIT: Sizes XS to 3XL in a regular fit. Minus33 offers a great size selection. 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. 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. 100% 18.5 Micron Merino Wool 230 g/m2 Interlock knit construction Mock neck for added insulation and 1/4 zip for venting Flat lock seams to prevent chafing and machine washable and machine dryable Weight of Garment Size Large =11.85 oz. (336 grams)