ACE Ankle Supports are designed for arthritic, weak or injured ankles, customizable for a comfortable compression fit. They are made from breathable latex-free neoprene to prevent moisture and excess heat which is treated with antimicrobials to prevent bacterial growth. The adjustable sizing fits women's shoe sizes 7 to 14 and men's shoe sizes 6 to 13. Breathable, lightweight, easy to use. Adjustable compression for custom fit. Odor resistant. This item may be eligible for FSA and HSA reimbursement. For any questions you may have regarding FSAs or HSAs, please browse our FAQ.