Contour Design CMO-GM-L LARGE LEFT HANDED CONTOUR MOUSE

A pronounced arch on the top of Contour Mouse supports your hand from underneath, allowing you to rest it on top of the mouse; Four right handed and two left handed sizes ensure that you will find a Contour Mouse that fits your hand perfectly; Our design team concluded that a slight pronation angle of 17 degrees was the perfect balance of ergonomics and productivity; Your hand should be able to rest upon Contour Mouse and support your full palm from underneath