Synthetic, water-friendly materials make shoes lightweight, flexible, and durable Flexirun™ EVA foam outsole is ultra-lightweight and flexible for summer wear – made with recycled content Dual hook-and-loop straps allow for a secure fit and custom adjustability Water-friendly and machine washable Awarded the Seal of Acceptance from the American Podiatric Medical Association (APMA) Vegan Care Instructions: Machine wash cold on gentle cycle with mild detergent. Do not bleach. Air dry.