Re-designed based on Crocs original shoes, these clogs incorporate workplace-friendly features. Crocs Bistro clog uses a new tread design while the Crocs Lock provides slip resistance that exceeds industry standards. To further protect your feet at work, these clogs have an enclosed toe and heel, and a thicker metatarsal area. Of course, Crocs didn't forget about comfort as they're made with innovative Croslite material, giving you a custom fit by conforming to your feet.