Amazon.com | Crocs Unisex-Adult On The Clock Clog, Slip 。If you spend hours on your feet, you deserve a comfortable pair that works as hard (and looks as good) as you do. Think of these reinforced slip-ons as a caffeinated version of Crocs Classic Clogs, all geared up for the grind. •Brand New •Size 12 •Enclosed toe and heel meets workplace standards •Fit is relaxed, with tapered fit in the back of the heel for a secured fit •Enhanced arch support adds to the comfort •Crocs Lock™ slip-resistant treads •Dual Crocs Comfort™: Blissfully supportive. Soft. Cradling comfort. •Pet and smoke free home Perfect for: baristas, restaurant servers, healthcare and service industry workers of every stripe.