By adjusting the proportion of merino wool in the base layer fabric, garments can be created for different uses. In these tights, two-thirds of the fabric is quick-drying polyester, just under one-third is merino wool, and the final touch is elastanea great choice when you need apparel thats both warm and suitable for intense activity, where moisture-wicking is essential. We recommend these tights for yoga, everyday wear and sports. - Slim fit: narrow cut - Comfy high waist - Merino wool helps reduce odor and regulates temperature fluctuations - Machine washable: avoid using bleach and fabric softeners Like all of Scandinavian Outdoors merino wool products, these underwear are mulesing-free, meaning the painful mulesing method has not been used in the wool production process.