Engineered Stretch Knit Fixed Laced Slip-Ins with Air-Cooled Memory Foam. These Skechers D'LUX Walker 2.0 sneakers feature a breathable engineered stretch knit upper and a secure slip-in design with fixed laces for easy wear. The Air-Cooled Memory Foam insole provides exceptional comfort and cushioning for all-day support. Perfect for casual wear and light athletic activities.