The pentagonal profile of the Energy Flatso equips golfers with a wide flat front and five pronounced edges which are vailable in three sizes, Flatso 1.0, Flatso 2.0, and Flatso 3.0. All Zenergy models come with Enhanced Spyne⢠Technology and multi-zone texturing to help to guide golfers to repeatable hand placement and to optimize feedback and comfort from the incredibly soft polyurethane outer layer.