Skechers Men's Summits Colsin Slip-ins Work Shoe Black Experience slip-resistant safety with slip-on convenience wearing Skechers Hands Free Slip-ins Work: Summits - Colsin. This slip-on work style features a knit mesh and synthetic upper with a unique Skechers Slip-ins molded heel panel, an exclusive Heel Pillow, a slip-resistant outsole, plus a Skechers Air-Cooled Memory Foam cushioned comfort insole. Skechers Men's Summits Colsin Slip-ins Work Shoe Black