Fits Calf Circumference 30-43cm. ✓ ONE SIZE FITS ALL: simple, discreet, quick and natural relief anywhere, anytime. ✓ CLINICALLY PROVEN: paingone SCIATIX is a next generation pain relief that is clinically proven to work. With paingone SCIATIX you'll regain your mobility and even be able to get active again. ✓ EASY TO USE: adjust your Paingone SCIATIX acupressure wrap just below the knee and tighten the straps that will reduce inflammation and restore a full mobility for to your day-to-day tasks. ✓ ADJUSTABLE FOR OPTIMUM COMFORT: provides gentle targeted compression to the key Acupressure Point at the centre of the Calf Muscle. Invisible under clothing. ✓ PAIN RELIEVER FOR SCIATICA SYMPTOMS: helps relieve discomfort in your lower back, along your sciatic nerve down to the buttocks and lower legs. High quality and durable.