DeRoyal Element Ankle Brace- Features: Patented heel control strapping system holds the calcaneus under the talus controlling subtalar inversion and talar rotation Rigid medial and lateral uprights prevent abnormal eversion and inversion and provide protection during activity Functional hinge design allows for utilization of the brace prophylacticly, after acute injuries and during rehabilitation Rear foot stabilization is enhanced with heat moldable footplate to control pronation during loading and mid-stance phases of gait Pulley system strapping design provides optimal compression enhancing proprioception Wide base of support at impact reduces ankle inversion Unique design provides syndesmosis stabilization Available in standard and wide calf cuff Quantity: 1 Size: Small, Medium, or Large Right or Left Standard or Wide Color: Black Manufacturer: DeRoyal Indications: Acute and chronic ankle sprains; Chronic ankle instability; Syndesmosis sprain; Posterior tibial tendonitis; Peroneal tendonitis; Osteoarthritis Options: Standard Right Small (AB2110-10) UPC: 749756661218 Medium (AB2110-12) UPC: 749756661225 Large (AB2110-14) UPC: 749756661232 Standard Left Small (AB2110-16) UPC: 749756661249 Medium (AB2110-18) UPC: 749756661256 Large (AB2110-20) UPC: 749756661263 Wide Right Small (AB2120-10) UPC: 749756661270 Medium (AB2120-12) UPC: 749756661287 Large (AB21120-14) UPC: 749756661294 Wide Left Small (AB2120-16) UPC: 749756661300 Medium (AB2120-18) UPC: 749756661317 Large (AB2120-20) UPC: 749756661324 Sizing Guide: Measure Calf Circumference 8" From Ground Standard: Less than 10" Wide: Greater than 10" Measure Shoe Size Small: Men's Less than 8; Women's Less than 9.5 Medium: Men's 8 - 12; Women's 9.5 - 13.5 Large: Men's 12+; Women's 13.5+