Skechers Slip-In Technology Heel Pillow Goga Mat Arch Air-Cooled Memory Foam Simply step in and go wearing Skechers Hands Free Slip-ins: Delson 3.0 - Roth. Designed with our exclusive Heel Pillow. This Classic Fit style features an engineered knit and synthetic upper with stretch laces, a Skechers Air-Cooled Memory Foam comfort insole and Goga Mat Arch cushioning for added support.