Fitflop Ryker Sandal, 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.supremely comfortable, chunky-soled sandals walk all over the competition. Must-have if you like to be out and about on weekends and vacations, these mix rugged sporty-utilitarian looks with a host of performance-maximising features.Lightweight. Slip-resistant. Super-adjustable for a customised fit. With foot-hugging padding behind the straps. And our legendary supercushionedMicrowobbleboard'™ midsoles for pressure diffusion, impact reduction - and mindblowing all-day comfort. This version in nubuck leather and faux-leather.Size 10New in Box