The GEL-QUANTUM 90 IV PS (Pre-School) sneaker merges performance-inspired technologies with modern aesthetics and makes them functional for young feet. This shoe's upper is modified with a breathable mesh that's reinforced with synthetic leather overlays. The update midsole halos our other designs in the GEL-QUANTUM collection. It features and E.V.A cushioning material and rearfoot GEL technology for improved everyday comfort.