Built for ultimate sun protection - Buff junior coolnet multifunctional headwear is 95% recycled - engineered with performance microfiber, heiq cooling technology and has a 4-way, seamless, ultra stretch fabric construction that features UPF 50+ sun protection. Fits kids ages 6 to 11. Buff junior coolnet multifunctional headwear is approved and recommended by the skin Cancer Foundation and can be worn 12 different ways - from beanie to balaclava, mask to headband.