Overall the shoe is a perfect all rounder across all terrain types but being slightlyheavier and grippier than the helios it39s better suited to those used to a more stable ride and those looking to spend longer hours on rougher or mixed ground james elson winner of the 2010 three forts marathon a mid long distance shoe versatile shoes created for a number of off road runs such as skyraces mountain running and city park running high levels of stability shock absorption and comfort su