The Tuvegga pants have one smooth side, making them suitable for activities where breathability is most important. The other side has a textured pattern, allowing more air to accumulate between the skin and the fabric, making the pants warmer. This base layer adapts to the nature of your activity and the outdoor temperature. Wear the smooth side against your skin for warmer weather or more intense activities. Wear the textured side against your skin for added warmth, which is ideal for less active situations or colder weather. - Main material: 99% merino wool and 1% elastane - Contrast stripes: 100% merino wool - Fabric weight: 250 g/m² - Fiber thickness: 18.7 microns (fine fiber) - Machine washable on wool cycle Devold base layers come with a protective treatment made from natural ingredients, which has a mild lemon scent. Its purpose is to protect the garment for up to a year, especially during storage, as insects that destroy wool tend to nest in stored wool products. The treatme