Men's Crocs Mellow 2 Clog The Crocs Mellow 2 Clog is a men's slip-on clog built for casual wear and easy recovery-focused comfort. This molded style features a closed-toe upper with ventilation ports and a pivoting heel strap for a secure fit when needed. The thick sculpted sole gives it a cushioned look, while the lightweight one-piece construction supports easy everyday wear.