Fits knuckle width up to 4-1/4  * The patented IMAK SmartGlove helps prevent and relieve wrist pain  including carpal tunnel syndrome * The SmartGlove encourages the hand and wrist to remain in a neutral position during work *  It features flexible support for full use of the hand and breathable cotton Lycra? for all day comfort * The ergoBeads? pad  located on the underside of the wrist  cushions and protects * Helps prevent and relieve carpal tunnel syndrome * Increases comfort and circulation * Ensures ergonomically correct wrist position * Cushions and protects the underside of the wrist  including the pisiform bone *  Reversible to fit left or right hand