From OOFOS, the Men's OOahh Sandals feature:  The sculpted footbed surrounds your foot and delivers uniquely soft stability in every step OOfoam technology absorbs 37% more impact that traditional performance foams  A rounded heel and additional OOfoam underfoot enhances the plush feeling on touch-down  A raised rim cradles your foot in the footbed for uniquely soft stability Signature heel cup and elevated arch supports your foot with every step The wider strap design provides a more secure fit during daily movement Imported.