Crocs Duet Sport Marbled Clog Shoes Synthetic Fully Molded Dual Density CROSLITE Construction Ventilated Upper For Breathability Adjustable Slingback Strap Can Be Worn On Heel Or Worn Forward On Vamp The CROSLITE Footbed Provides Impact Absorbing Comfort As Well As Anti-Microbial Protection Contoured Footbed With Minimal Nubs Offer Massage-Like Comfort Without Irritation