Adjustable Ankle Support Antimicrobial. The antimicrobial treatment is intended to protect the brace and does not extend protection to the skin. Adjustable - one size fits left or right U.S. shoe sizes: Women's 6.0-14.5 Men's 4.5-13.0 Designed to help support and protect sore, weak, sprained, strained, and arthritic ankles. Patented strapping system provides firm and even support to ankle. Lightweight and comfortable for all-day wear. Allows ankle to remain flexible. Fits easily inside most shoes.