Made of ethically produced Merino wool, this base layer is a great choice for hiking and sports from fall till spring. Naturally antibacterial, the material requires much less washing than technical fibers, and resists odours. The bravura of Merino wool is use, where you stop for breaks in the middle of activities such as hiking, skiing or cycling - you'll notice you'll stay nice and warm compared to synthetic base layers. - Roundneck - Flat lock seams - Elastic waist - Machine washable - preferably wool or fine cycle and wool detergent, don't use bleach or fabric softeners