Fit-Flop Gen FF Mules 8.5 Black Only worn once! Light. Clean. Ultra-refined. Our next-generation easy slip-ons combine contemporary-casual style with unbeatable underfoot comfort. Featuring a directional chunky sole and beautifully sleek upper, here crafted from a single piece of soft rich leather. The curved topline is shaped to enhance ease of movement. While minimal stiching, leather welt detail, and leather linings add to the elevated feel. On a lighter clean-look version of our Microwobbleboard™ midsole: the original triple-density tech – pressure-diffusing, impact-reducing, supercushioning magic – sits inside a slick EVA/rubber shell. (Rubber pods on the bottom give excellent grip.) The modern mules you'll want to wear every day, everywhere. Upper Material: Leather Lining Material: Leather (Upper & Footbed) Fastening: Slip-On Outsole: Light, Slip-Resistant Rubber Pods Technology: Microwobbleboard