Check the listing for details. DonJoy Performance Trizone Ankle Support. Condition: New. Listed at 49.99 USD. DonJoy Trizone Ankle Support Our DonJoy Performance Trizone Ankle Sleeve is a hybrid design combining the properties of compression and bracing in a single sleeve. The carbonized bamboo circular knit construction allows for targeted, zonal compression with thermal regulating properties. Three distinct compression zones which include: a stability zone with strategically placed injected silicone to provide support for the ankle and the benefit of enhanced proprioception, a compression zone which improves circulation and provides mild support to the joint structure and surrounding muscle tissue, and a comfort zone that provides lighter compression for enhanced fit and better range of motion. Features & Benefits Three zones of compression strategically placed around the ankle to deliver performance Silicone banding injected directly onto the sleeve adds medial/lateral support to sprained ligaments, strained tendons and weak ankles All-natural Carbonized Bamboo is thermal regulating and helps eliminate odors Comfortably fits in all shoe types Reflectivity for enhanced visibility in low light conditions Sizing Chart: Determine the correct size according to the circumference of the ankle measured just above the ankle bone: SIZE ANKLE CIRCUMFERENCE SM 7.5in - 8.5in MD 8.5in - 9.5in LG 9.5in - 10.5in XL 10.5in - 11.5in Items ship on the next business day after cleared payment is received. Business days do not include Saturday, Sunday or Holidays.