Captain Wrist Support with Thumb Hole Measure the circumference of your elbow directly over the joint. The Captain Wrist Support with Thumb Hole provides firm wrist support to reduce the likelihood of injury and to offer stability for weak or injured wrists. For injury recovery, the support provides therapeutic heat retention to help reduce stiffness and regain pain-free wrist movement. The Captain Wrist Support is made with non-slip neoprene and equipped with a thumb hole for easy application. The large Velcro closure ensures a snug fit while allowing for a customizable level of support. Designed for use on either wrist.