AF7 Ankle Bracing Sleeve Size:X-Large It has a rechargeable battery

It has a rechargeable battery and includes a charging cable

The four spikes that come with this shoe give you optimal traction for blazing around the track

(Measure AROUND calf at the widest point

Great for active pain relief from plantar fasciitis

Side strobes provide red

AF7 Ankle Bracing Sleeve Size:X-Large It has a rechargeable batteryAF7 ANKLE BRACE SLEEVE ABOUT AF7 The AF7 Ankle Brace Sleeve helps treat swollen or weak ankles, without restricting movement. The Brace is lightweight and is made up of nylon and K zone technology. This nylon technology allows for more flexibility in and around the ankle area. K zone technology has some of the same benefits of taping while avoiding the restrictiveness of tape. TARGETED CONDITIONS Minor ankle injuries Weak ankles Swollen or painful