Gently Used. Only worn a few times. Cracked and crinkled, with a worn-in look from the first step. Our Romi Metallic sandals have easy on/off adjustable velcro straps — meaning mini rebels are ready to rock the playground in half the time. Built on a flexible footbed that keeps little feet comfortable. Crinkle Metallic is a synthetic material with a soft metallic finish Built on the iconic and comfortable Dr. Martens air-cushioned sole Velcro fastenings.