NWOT!! FitFlop Lulu Leather Toe-Thong Sandals - Size 10 These are a premium, biomechanically engineered comfort sandal. They are well-regarded for providing excellent orthopedic support disguised as a minimalist, stylish flip-flop. Design: Built with a high-quality supple leather upper, lined with a soft, breathable microfiber lining to prevent chafing. Features a classic slip-on structure with a distinct triangular vamp coverage that firmly holds the foot in place. Features a short wedge profile with a 1.5-inch heel.