Pure Triathlon performance with great comfort and value. This is the slightly less extreme of Mavic's two triathlon shoes. But only slightly. The energy comp outsole is a fraction more flexible than the full carbon version used in the Ultimate, so comfort is increased but without losing much power. It also features our Ergo fit 3D Ortholite inner sole for added support. However it maintains the tri-specific design features from Mavic's top of the range shoe, such as the large, easily adjustable strap and over-sized heel loop for quick transitions and a lightweight mesh upper for fast wicking when you come out of the water. If you're looking to improve your times, this shoe could give you the kick you need. Enhanced energy transfer. Energy Comp Outsole brings the sole closer to the pedal Index Energy Transfer 50.