Mueller Hg80 Ankle Brace w/Straps Features: Top and cross straps are fully adjustable to lock brace in position. Cross strap provides additional support Available in black Advanced protection and support Rigid shells and pre-inflated Aircast Aircells cushion the brace and form superior top-to-bottom fit Easy on step in design with a unique open-back rear entry for fast and easy on/off. Fits easily inside most shoes Features an Achilles strap and a heel-lock crossing strap to lock brace in position and provide additional support Latex free high performance fabric for all-day comfort and durability HydraCinn fabric wicks moisture away from skin for cool comfort Anti-microbial and breathable material Keeps in place and does not slip with inner gripping strips Latex free and Neoprene free Description: Mueller Hg80 Rigid Ankle Brace provides superior protection and helps support weak or injured ankles. This patented brace helps prevent inversion/eversion sprains. This unique open-back sleeve with convenient step-in design increases comfort, control and makes it easy to put on. Any Mueller Hg80 brace comes with a FREE custom-sized protective nylon mesh laundry bag, for your convenience. Sizes according to shoe size: Small fits Women's 5.5 - 8.5 or Men's 5.5 - 7. Medium fits Women's 9 - 12.5 or Men's 7.5 -11. Large fits Women's 13 -14.5 or Men's 11.5 -13. X-Large fits Women's 15 + or Men's 13.5+.