The GEL-550TR (2E WIDE) is the next evolution of this long-standing training series. This new model brings a faster and lighter look and feel to the shoe. DUOMAX™ provides support for those who have a versatile training regime and engage in side-to-side lateral movement, this model still provides inherent stability characteristics combined with forefoot flexibility and shape to bring a new level of responsiveness. Forefoot and rearfoot GEL™ allows excellent shock absorption and the upper has been engineered to deliver supreme comfort and fit. Full Grain Leather Toe Box Synthetic Leather and Mesh Reinforced Upper Internal Heel Counter Full Grain Leather Vamp Flytefoam Propel Midsole Moulded Stability Trusstic Forefoot and Rearfoot Gel Duomax AHAR+ Outsole Non-Marking Rubber Removable Moulded EVA Sockliner