Thera-Glove« is the original patented support for your hands. Fingerless lightweight design, constructed from spandex and nylon, allows freedom of motion and enhances blood flow, while massaging muscles to reduce inflammation and pain. Musicians who play for hours, this is the solution for you, providing needed support to critical areas of the hand and wrist. Playing in an outdoor stage û these gloves will keep your hands toasty without obstructing playing. An excellent choice for anyone who uses a keyboard û musically or on a computer. ♫ Sold in pairs. Made in the USA. Use the following measuring guide when ordering: Place a ruler across your hand on top of your 4 knuckles of your fingers. If your size is: 2 1/2" - 3" = Small 3" - 3 1/2"  = Medium 3 1/2" - 4" = Large