Minus33 Merino Wool Micro Weight Women's Wool 1 4 Zip Woolverino Midweight Minus33 Midweight Womens Merino Wool 1 4 Zip Womens Midweight Merino Base Layer Crew Top 100% Merino Wool Women's Midweight Merino Wool Thermal Base Layers 100% Merino Wool Midweight Womens Base Layer Crew Top Minus33. Minus 33 Australian merino wool long underwear shirts. This mid weight shirt (230 g m) is made of the finest natural merino wool, which is put through a special process to create a garment that is washable, dryable and so soft and supple it is unbelievable. Minus 33 wool garments wick away moisture 30% faster than synthetic fiber and is also fire retardant. The high quality wool is water repellent, naturally elastic and long wearing for years of comfort. Soft as cashmere and non itchy like normal wool. Machine Washable. Made in China Style #705 Content: 100% Merino Wool