From the website: This lightweight slide is engineered with the brand's advanced recovery system, featuring a massaging footbed and dual-density cushioning.The VIO MOTION Technology footbed has contoured arch support with shock-absorbing cushioning, deep heel cup to provide stability and forefoot flexibility. It may help correct pronation and promote full-body alignment. Color is Vintage Blue Haze.Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step 2" heel; 1" platform; 1" slope. Molded EVA footbed with oversized sidewall and deep heel cup. Synthetic upper, lining and sole Imported Item #10615955