Synthetic-and-mesh Ethylene Vinyl Acetate sole Eva midsole for an a springy response OrthoLite Impressions sockliner provides responsive cushioning for comfort Seamless Construction The use of seamless materials reduces the potential for irritation and friction caused by traditional stitches and seams Rearfoot and Forefoot GEL Cushioning Systems Attenuates shock during impact and toe-off phases and allows movement in multiple planes as the foot transitions through the gait cycle Drafting off the design of the performance driven GEL-QUANTUM 360 silhouette, the GEL-QUANTUM 90 2 sneaker fuses a technical design that's layered with even more GEL technology based cushioning than its predecessor. Implementing a mesh upper that wraps the forefoot with excellent support and airflow, this shoe is also complemented with bold GEL branding on the heel, while reflective details accent the tiger stripes on the sides. Created with a balanced blend of support and long-lasting comfort, this shoe features our injection EVA technology in the midsole for a more energized response, while the GEL technology based cushioning in the heel helps attenuate shock from impact. Supplying advanced comfort with a technical design, the GEL-QUANTUM 90 2 sneaker continues to redefine the limits of cushioning for performance driven offerings.