Shine in these stunning red, white, and blue flip flops all summer long! Connect with the earth’s naturally energy and stay grounded while out and about at the gym, spa, or when walking directly on grass, sand, soil, brick, and concrete surfaces. Sturdy rubber soles with built-in arch support featuring our custom carbon and rubber conductive plug technology™. Our carbon and rubber plug technology is unique to the Flip Flops. The Groundworks™ layered conductive technology is unique to our closed toed shoes. Size Note:  if your foot size is between sizes, we suggest ordering up to the next whole size. MATERIALS & CARE: Shoes that feature natural materials including but not limited to leather, suede, wool, shearling, etc. should not be worn in or around water. The natural materials found in these flip-flops are recommended for casual use in dry climates and have not been treated for excessive moisture or heat.