adjustable leather straps and a bold metal ringFeaturing unique Three-Zone Comfort with Ultimate Arch Support built into every pairYOUR NEW FAVORITE SANDALS: The beloved Rest Karina toe-post sandal features adjustable leather straps and a bold metal ring detailing the vamp. In two bold hues, it's sure to be the cherry on top of any ensemble.LEADING IN COMFORT: Wear your new Vionic footwear for just a few hours for the first few days to allow your feet to adjust to the new level of orthotic comfort and support. Within one to two weeks, you should find the product completely comfortable.MAINTAINING YOUR WOMENS THONG SANDALS: To clean, wipe away dirt and dust with a dry cotton cloth. Do not submerge in water or use solvents to clean products. Do not expose to extreme temperature