Please see alternate images above for SIZING and additional description information. --AirSport Ankle BraceThe AirSport Ankle Brace incorporates clinically proven Air-Stirrup Ankle Brace features, such as a semi-rigid shell and aircells, to provide comfort and support. Additional compression and stabilization is provided by ATF (anterior talofibular) cross strap and integral forefoot and shin wraps. The unique "step-in" design (toes first inserted into the back of the brace) and automatic heel adjustment make the AirSport extremely fast and easy to put on, just: Step In, Strap Up, And Go!Product Features and BenefitsFoam-filled aircell that cushions and supports the ankleSemi-rigid encased shell offers proven Air-Stirrup supportCoated fabric for durabilityATF cross-strap for ankle stabilizationIntegral forefoot and shin wraps for supportAutomatic heel width adjustment for easy applicationIndicationProphylactic protectionChronic instabilityMild ankle sprainAirSport ModelsLeftRightDescription02MXSL02MXSRXSmall AirSport Ankle Brace02MSL02MSRSmall AirSport Ankle Brace02MML02MMRMedium AirSport Ankle Brace02MLL02MLRLarge AirSport Ankle Brace02MXLL02MXLRXLarge AirSport Ankle Brace AirSport Sizing ChartAirSport SizeXSmallSmallMediumLargeXLargeUS MenUp to 55.5-77.5-1111.5-1313.5+US WomenUp to 55-8.59-12.513-14.515+UKUp to 55-78-1011-1313+Europe30-3435-3839-4243-4747+