AONIJIE Tie - dye Outdoor Wool Long - sleeve Top is made of 77% Australian Merino wool and 23% high - tech ultra - fine dull nylon yarn. It is light, breathable, soft and skin - friendly with excellent drape, providing instant warmth and constant temperature. It has moisture - wicking, anti - static, antibacterial and deodorant functions. The fabric is easy to care for, machine - washable without shrinkage and has 3 - 4 grade anti - pilling performance. It is also durable, wrinkle - resistant and not easy to wrinkle after long wear. Created through artistic hand tie - dye (done by artisans), its colors are long - lasting and fade - resistant; slight dyeing differences (normal and a unique charm) exist. Unisex, available in colors like orange, green and black, it has passed authoritative tests and meets national standards, ensuring quality.