ETHOS Calf Support Sleeve provides the targeted comfort and support you need during or after your next training session without restricting your mobility. Features: Provides thermal compression to the calf for efficient muscle and joint support Assists with sore muscles or strains in the calf Slides over targeted area with ease Durable 5mm thick construction with reinforced seams Sizing: *Up to S = 11.4" M = 12.6" L = 13.4" XL = 14.2"