Air-Cooled MF, Heel Pillow, Machine Washable, Slip-Ins, Vegan. Step into easy-wearing comfort with Skechers Hands Free Slip-ins®: Summits - Key Pace. Along with our Exclusive Heel Pillow™ that holds your foot securely in place, this vegan style features an engineered mesh upper with stretch laces and a cushioned Skechers Air-Cooled Memory Foam® insole.