From Alegria, the Duette Swirl Embossed Slip On Clogs feature: Swirl embossed synthetic upper  APMA accepted Slip on with elastic gore at each side of the instep allows for a secure fit and for easy on-and-off Padded heel collar to prevent heel from slipping and helps ensure a snug fit Footbed is removable allowing for the use of a custom orthotic Dual-density polyurethane outsole for increased support, balanced weight distribution, enhanced shock absorption, and better rebound and bounce when in motion Non marking and slip-resistant Sport Rocker outsole made to mimic our rocker bottom which promotes a more natural walking motion Approx. 1" platform height Imported.