From Skechers, the Men's Slip-ins: Arch Fit Summits -Vorken Machine Washable Sneakers feature:  Engineered mesh upper with fixed stretch laces Crafted with 100% vegan materials This design has been granted the Seal of Acceptance by the American Podiatric Medical Association (APMA) Skechers Hands Free Slip-ins® for an easy fit Heel Pillow® holds your foot securely in place Patented Skechers Arch Fit® insole system with podiatrist-certified arch support, developed with 20 years of data and 120,000 unweighted foot scans Removable insole helps mold to your foot to reduce shock and increase weight dispersion No Tie Fit® - laces never come untied Flexible traction outsole Machine washable Imported.