Lauparen series are made of 100% Merino wool and they have carefully placed mesh panels for optimal function in intense sports. Great for hiking, paddling, climbing, cycling, snow sports, or for sleeping a night out in your sleeping bag! - Made of 100% Merino wool - Flat lock seams for reduced risk of chafing - Attenuates temperature fluctuations - Naturally odour resistant, requires less washing than technical materials - Machine washable, follow instructions on wash tab Devold undergarments are treated with a natural compound made to protect the apparel from wool-eating insects. It has a gentle, citronella-style scent and is completely harmless to people. The treatment protects the garment for one year and its scent diminishes and fades away with airing the garment.