Abstract: A device for and a method of supporting a wrist and hand of a computer user as the user operates a computer mouse. A sleeve member has a length sufficient to cover at least a portion of the wrist and hand of the user and has sufficient elasticity to permit it to grippingly engage the portion of the wrist and hand so as to permit the device to support the wrist and hand of the user as the user operates the computer mouse. In one embodiment, the sleeve member has a cushion within a defined section. By positioning the defined section adjacent the underside of the wrist and the heel of the hand, the wrist and hand are significantly elevated from the support surface by the cushion, thus improving the comfort of the user of the computer mouse and lessening the likelihood of an ailment such a carpal tunnel syndrome.