EC's trademark shape is a very widely used option for players who prefer asymmetrical ergo design.
The top shell provides a natural curve for your hand with a relaxed support to your palm and fingers, providing more stability when moving horizontally
Curvature on the left side for thumb placement with ease
EC's classic shape has not-too-much palm contact and can accommodates different grip styles with comfortable posture. Reduce the fatigue of flexor carpi ulnaris muscle (FCU) when doing fast clicking