Adjustable Sizing: Measure shoe size. Fits shoe size: Women's - 7-14; Men's - 6-13. Provides support for weak, arthritic or injured ankles. Antimicrobial treatment inhibits growth of bacteria on the support. Latex free. Trusted brand since 1918. Ace brand adjustable braces are designed to provide you with the optimal support you need while assuring proper fit and comfort. Adjustable compression for custom fit. Soft, neoprene blend material is breathable and allows excess heat and moisture to escape to keep you cooler and drier. Plush binding for durability and to help prevent chafing. Ideal for weak, arthritic or injured ankles. The Ace trademark is your assurance of superior quality, support, and comfort. 3M guarantees customer satisfaction. Made in China for 3M.