FitFlop's minimalist Lulu sandals in this modernist denim-mix pattern boasts a timeless triangular vamp and FitFlop's legendary ergonomic Microwobbleboard™ midsoles. This minimalist thong sandal is biomechanically engineered for optimal comfort. It features a patterned denim and textile upper in a modern timeless triangular vamp lined in soft microfibre for abrasion-free wear. A triple-density Microwobbleboard™ midsole provides superior shock-absorption and diffuses underfoot pressure by instantly increasing the contact area of the foot to the midsole. A seamless built-in arch contour enhances support while a durable rubber outsole provides slip-resistant shock-absorbing traction. Wedge Heel Height: 1.75 inches - 4.45 cm Platform height: 1 inch - 2.54 cm APMA (American Podiatric Medical Association) Seal of Acceptance, for footwear found to promote good foot health. Upper Material: Textile Lining Material: Fabric Fastening Type: Slip-On Outsole Material: Slip-Resistant Rubber Technology: Microwobbleboard Standard Launched in FitFlop's very first sandal in 2007, its patent-pending, triple-density Microwobbleboard midsole was engineered by two pioneering British biomechanists Delivering extraordinary comfort, it not only helps absorb shock but can also diffuse underfoot pressure, by instantly increasing the contact area of the foot to the midsole.