To maximize the advantages of the HandShoe mouse and experience maximum comfort, a correct fit is essential.
It is imperative that you measure your hand.
Measure on the inside of the stretched out hand.
The distance from your wrist (the cross over between hand and arm) up to the tip of your ring finger. This length provides an indication of the required size.
Please note that at present the Extra Small version is only available as a wired version for right handed people. All other sizes are available for Left and Right, either wired or wireless.