Vionic Pacific Rio - Women's Adjustable Platform Sandal. The platform gets an upgrade with Pacific Rio, a beach-ready slide with three adjustable straps across the vamp. A metal buckle detail brings both function and style to this classic silhouette, which adds just the right amount of height. Natural Alignment with Vionic's Biomechanical Footbed. The orthotic-grade footbed supports your feet from the ground up. Natural Cork or Man-made uppoers. Amazing arch support hugs your curves provided by the arch-supportive EVA footbed. Recommended by Dr. Andrew Weil. Contoured footbed for addictive arch support. Deep heel cup provides essential stability. Firm yet flexible midsole ensures balance. Heel Height: aprroximately 2 inches. Available in Medium width, sizes: 5-11 Whole sizes Natural Alignment with Vionic's Biomechanical Footbed. The orthotic-grade footbed supports your feet from the ground up. New in box