Selected Quality Nylon Material, Lightweight, Soft, Durable, Anti-Discoloration. Please choose size based on height. XS( Height: 4‘11“-5’1”, Weight: 77-86lbs); S(Height: 5‘1“-5’3”, Weight: 87-97lbs); M(Height: 5‘3“-5’5”, Weight: 98-111lbs); L(Height: 5‘5“-5’7”, Weight: 112-124lbs); XL(Height: 5'7"-5'9", Weight: 125-137lbs). Elastic Waist and Ankle Cuffs, could be worn in different ways, rollable waist, or scrunchable legs. Versatile ripstop pants are designed to keep muscles warm. Could be used in dancing, hiking, work out or daily life. The ballet ripstop could be worn on ballet tights for warming up before performance.