Spider Grip Ankle/Foot Grips for Muay Thai, MMA, Kickboxing Durable rubber grip on the bottom of the feet, provide compression fit and fully support the ankles and feet , great for grappling and muay thai training, also recommended to use under shin guards for extra support to ankle and feet. Increases ideal support, coverage, speed, explosiveness and traction power. Comes in Small/Medium (size 4-7), Large (size 7-11), XL (size 11+)