Uses / Indications: LP #110XT X-Tremus Ankle Support is recommended in ankle sprain and instability. Benefits of LP #110XT X-Tremus Ankle Support:1. Double-Eight Stable Contoured Structure provides maximum stability to help prevent the ankle sprain.2. J-shape silicone pad around heel cord serves gently massages to reduce ankle pain and swelling.3. Plantar Magic Power Band preserves energy consumption when dorsi flexed and enhances sports explosive motion while plantar flexing.4. Durable Fitting Knit with high permeability fabric ensures wearing durability and breathability. Available sizes:S (Measure circumference just above ankle bone-20.5~22.0 cm)M (Measure circumference just above ankle bone-22.0~23.5 cm)L (Measure circumference just above ankle bone-23.5~25.0 cm)XL (Measure circumference just above ankle bone-25.0~26.5 cm)XXL (Measure circumference just above ankle bone-26.5~28.0 cm)