The Gel-quantum 90 3 Sneaker Merges Performance-inspired Technologies With Street Style. It Has The Comfort You Need To Keep Your Mind And Body In Tune Throughout The Day. The Midsole Is Inspired By The Cushioning Systems Used In Asics Running Collection And Layered With 90 Degrees Of Gel Technology In The Heel For Everyday Comfort. Medium Width Mesh And Synthetic Upper Synthetic Lining Gel Technology In Heel Rubber Outsole Lace-up Closure