Xinzechen Bicycle Leg Warmers Compression polyester The 86% Polyester and 14% Spandex fabric material gives them breathability and ventilation With catchy anti-slip plastic tape, better to reduce friction and prevents falling during exercise Imported ink printing technology,so never worry about color fading Self-locking zipper design, riding without falling Sun protection design: UV 50+; good choice for: cyclists, travelers, fitness