evo.com | Oyuki Long Underwear Sets > Developed to wear as a base-layer on those super cold days, the Oyuki Fleece Base Layer Set is also perfect for travel and wearing around the lodge. This product may contain chemicals known to the State of California to cause cancer, or birth defects, or other reproductive harm. 100% Polyester Relaxed Fit Elastic Waist and Cuffs Flat Lock Seams | Kid's Oyuki Fleece Base Layer Set 2026 - 10 Purple | Polyester