The FitFlop Lulu Shimmersuede is a casual women's thong style flip flop sandal in sparkling shimmersuede. The first FitFlop sandal was sold in 2007, after Marcia Kilgore (beauty industry entrepreneur and multi-tasking mum) collaborated with expert biomechanists, Dr David Cook and Darren James. FitFlop Lulu Shimmersuede Black Suede Women's Sandal Features include: Suede upper Original Microwobbleboard midsole Generous fit APMA Seal of Acceptance, for footwear found to promote good foot health Softly padded, super comfy microfibre-lined upper Biomechanically engineered, comfortable sandals Built-in arch contour FitFlop multi-density midsoles, inspired by our Non-Stop Ergonomix philosophy, are biomechanically engineered to diffuse pressure and provide instant relief to your feet. Classic FitFlop footwear is built on Microwobbleboard midsoles which can help diffuse underfoot pressure and absorb shock.