Cotton,Elastic,Spandex Pull On closure Machine Wash Material:cotton+spandex. Size:US 5.5-12.5/EUR 39-45 Elastic stripe design, large elasticity, soft, breathable and comfortable. The shrinking socks are prevented from falling off, and the thick wear resistance is excellent. The grip socks for Yoga keep you safe and in control for Dance, Martial Arts, Barre, Pilates, and much more. The non-slip silicone grip makes you steady.