Devolds Duo Active series, the warmth of wool is combined with the non-itch comfort of synthetic fibers: a technical Thermocool layer sits next to the skin, with a warm merino wool blend on the outside. Merino wool provides excellent insulation, keeps you warm even when damp, and naturally resists odor buildupmeaning it requires far less washing than synthetic materials. Duo Active is a reliable choice from autumn through springperfect for hiking, skiing, ski touring, trekking, and everyday use in cold climates. - Regular fit - Windproof panel at the front - Flatlock seams reduce the risk of chafing - Merino wool fiber fineness: 20.5 microns - Double-layered cuffs Easy Care Merino: machine washable; dry on a line or in a tumble dryer. Like all Devold products, the Duo Active is mulesing-free, meaning no painful procedures are used in the wool production process.