Janus 100% Merino Wool Men's Underwear T-Shirt Machine Washable Made in Norway BEWARE JANUS SELLS its Genuine Products exclusively on Amazon.com. TabolaUSA is the only authorized Janus dealer on Amazon. All other Janus products sold on Amazon.com are FAKE. Janus as long as TabolaUSA are not responsible for this products.Please help us make Amazon clear and save marketplace. Even if you became a victim of dishonest sellers please report them to Amazon. Janus Black Wool is made of the finest, non-itch merino wool. Janus wool garments keep you warm and insulated on cold, windy days. Janus Black Wool garments are machine-washable and can be tumble-dried. Look for the Janus mark. It has been a sign of Quality since 1895. Janus Black Wool is a collection of all-year-round woollen underwear perfect for use both indoors and outdoors, summer and winter. The garments in this collection have been tested and approved according to the EcoTex 100 standard and are guaranteed free of substances which are hazardous to your health. The wool also helps regulate body temperature and keeps you comfortable in milder weather. A merino wool garment can absorb up to 30% of its own weight in moisture without feeling wet. Wearing wool next to the skin gives a feeling of well-being and care.