100% wool long underwear by Janus of Norway. Janus has been Norway's leading manufacturer of wool long underwear since 1895. Made from 100% pure merino wool, they are machine washable. Merino wool comes from a special breed of sheep and is much softer than normal wool. It is soft enough to be worn next to your skin with complete comfort and can hold up to 30% of its weight in water without losing its insulating qualities. Available in men's and women's sizes. (we don't currently stock children's sizes in the US but they can be ordered, just give us a call at 1-888-612-3044) It's Stretchy for hikers and bikers. It Breathes for joggers and walkers. Stays warm when wet for kayakers, Soft and flexible for horse-back riding. Stays cozy and warm during football and hockey games. (or snuggled in bed!) A must for trekking, hunting, climbing or camping. In stock year around for all your expedition needs! We guarantee you'll like it or we'll refund your money. Free Shipping! Wool keeps the sheep warm and it will keep you warm! Any questions? SEE ARTICLE "IN PRAISE OF WOOL UNDERWEAR" IN JANUARY 2001 ISSUE OF YANKEE MAGAZINE