Combining elegance with exceptional comfort, the On-the-GO® Flex - Siena is the ideal ballerina for a look that's both simple and refined. This low-profile model features a diamond-patterned mesh upper, a responsive cushioning Skechers Air-Cooled Goga Mat™ insole and lightweight ULTRA GO® cushioning for absolute comfort. Low-profile ballerina with diamond-pattern mesh upper Flexible outsole with optimal grip Machine washable Heel height: 2.5 cm Skechers® logo ULTRA GO® technology for lightweight, responsive comfort 100% vegan materials