75% Australian Merino Wool - 25% Acrylic, Balance your body temperature with the healthiest products to protect your health in the cold winter months. Merino wool with a natural fiber structure is used in all our products. In this way, you can get through the cold winter months without feeling cold by balancing your body temperature in a healthy and natural way. To get full performance from our products, pay attention to direct skin contact. Wool underwear removes sweat and keeps the body dry (your sweat does not get cold on you). S-M (36-40), L-Xl(42-46), Xxl(48-52)