SUMMERSKIN Women's Sun Protection Maxi Skirt Irresistibly soft and breathable bamboo blend with easy movement: 66% Bamboo Rayon/28% Cotton/6% Spandex. Dyed w/o hazardous chemicals, meeting the OEKO-TEX 100 Standard. Easy Care: Machine wash cold, tumble dry low. Comfortable and irresistibly soft fabric that keeps you cool and protected Side slit with hidden button closures for versatility and air flow Flat elastic waistband for flattering and comfortable fit Rated UPF 50+ Excellent Sun Protection, blocking 98% of dangerous UV rays No chemicals added to achieve sun protection