Vegan Glide-Step Machine Washable Air-Cooled Memory Foam Slip-Ins. Simply step into flexible comfort wearing Skechers Hands Free Slip-ins®: Glide-Step® Pro - Pure Motion. Designed with our Heel Pillow®, this knotted stretch-laced style features an engineered mesh upper, a Skechers Air-Cooled Memory Foam® comfort insole and a Glide-Step® geometric cushioned midsole.