SG-Training Fit compression ankle brace sleeves designed to enhance performance and provide relief from injury. Breathable fabric for maximum comfort. Cotton - 43%, Wool - 43%, Latex - 9%, Polyester - 5%.Keeps joints and muscles warm. Size chart : Size 1 - 7'' - 8,5'' Size 2 - 9'' - 10,5'' Size 3 - 11'' -12,5''. Wash in a cool water on 'delicate' cycle and hang dry.