• This shoe is designed to be as extreme as the serious athlete who wears it • Mesh synthetic upper • Elastic laces for a secure fit • Impact Guidance System (I.G.S.®) enhances the foot"s natural gait from heel strike to toe-off • Propulsion Trusstic® creates tension in the foot as it enters the propulsion stage • Guidance Line® enhances gait efficiency • AHAR® in critical areas for exceptional durability • DuoMax® Support System for enhanced support and stability • Perforated sockliner for enhanced breathability and comfort • Rear and forefoot GEL® Cushioning Systems absorb shocks • Reflectivity for visibility in low-light hours • Solyte® midsole material for enhanced cushioning and durability • Trusstic System® maintains the structural integrity of the shoe • WET GRIP® outsole for ultimate traction and durability on wet surfaces