evo.com | Oyuki Long Underwear Tops > Designed specifically for those who prefer natural fibers, the Oyuki Merino Long-Sleeve base layer is super warm and made from 100% fine Australian Woolmark(R) merino wool so it is soft on your skin. 200gsm Australian Woolmark(R) Merino Wool This product may contain chemicals known to the State of California to cause cancer, or birth defects, or other reproductive harm. Relaxed Fit Soft, No Scratch Wool Natural Temperature Regulation There are baselayers and then there are the Oyuki Merino Pants. Made with a 100% Australian merino wool construction, these long johns are naturally thermo-regulating, moisture-wicking, and odor-resistant. The result? Elevated comfort, even in the face of gnarly mountain weather. Temperature Regulation Merino is an active fiber with a natural crimp that creates small insulating air pockets, keeping you warm when it's cold and cooler when it's hot. Moisture management: Merino fibers can absorb up to 35% of their dry weight in moisture vapor and not feel wet. This helps to release sweat and in turn, keep you warmer on the mountain. Wash in cold water, do not tumble dry. 190 gsm 100% Australian Merino Wool Moisture Management Merino fibers can absorb up to 35% of their dry weight in moisture vapor and not feel wet. This helps to release sweat and in turn, keep you warmer on the mountain. | Women's Oyuki Longsleeve 2025 - Small Gray Package (S) + M Bottoms Size Small/Medium | Wool