Engineered Mesh Upper. GEL™ technology cushioning provides excellent shock absorption. FLYTEFOAM® Propel Technology, ASICS energetic foam formulation that provides supreme bounce thanks to a unique elastomer compound. OrthoLite™ X-55 sockliner. FlyteFoam® technology provides lightweight cushioning. Special reflective material designed to enhance safety and visibility in low light conditions. Lightweight, breathable and sustainable material upper. 3D SPACE CONSTRUCTION™, improves compression at footstrike. Heel Drop - 10 mm. Weight - 310 g/10.9 oz