Vionic Women's Tide Grey/Blue Sandal Synthetic For comfort and support that is as constant as the Tide, get this lovingly-constructed sandal from Orthaheel&reg;. Woven polyurethane upper with sporty appeal is stylish and ultra-comfy. Soft woven toe post and foam-lined strap ensure a secure, comfortable fit for all-day wear. Podiatrist-designed, biomechanical orthotic footbed with deep heel cup stabilizes, supports and realigns the feet back to their natural position. Lightweight, flexible medium-density EVA midsole absorbs shock to reduce stress on the feet, ankles and knees. Durable TPR outsole with wave-patterned tread provides traction to maintain your confident stride. Care: Wipe off with damp cloth and air dry. Clinically shown to help relieve common causes of heel pain or plantar fasciitis, and knee pain related to over pronation and flat feet. Recommended by Dr. Andrew Weil. Received APMA Seal of Acceptance. Click here to view Seal. Click here for