ZAMST Thumb Middle Thumb 374303 Support, Guard, Volleyball/Basketball, Large, Ambidextrous, Black,

[For immobilizing and restricting thumb movement] Ideal for immobilizing and restricting thumb movement. The Thermal Fit Guard is heated in hot water and molded to the shape of your individual finger, firmly protecting your thumb from movement. [Fits to your individual shape] The Thermal Fit Guard is made of thermoplastic material and can be molded to the shape of your individual fingers by applying heat, providing an excellent fit and firmly guarding the movement of your thumb. [Does not restrict wrist movement] This short type provides firm protection for the thumb while not restricting wrist movement, making it suitable for dynamic wrist movements. [Reduced bulk when worn] The compact design minimizes bulk when worn. It can be worn under baseball gloves, goalkeeper gloves, etc. [How to choose a size] Choose a size that matches the length from the first joint of your thumb to the narrowest part of your wrist and the thickness of the narrowest part of your wrist (if the sizes at the two points are different, use the thickness of your wrist as a guide).