Wobbleboard technology delivers extraordinary comfort absorbing shock and diffusing underfoot pressure, by instantly increasing the contact area of the foot to midsole. Flatform is 2” high at heel elevating you at minimum incline. Unbeatable ergonomics, cloud-like cushioning (and longer looking legs) Beautiful Navy blue. Waterproof so good for anywhere and jazzy enough for day or night. Used but no visible defects but for one jewel possibly missing ( it may have come that way?). See last photo. Unnoticeable