From Ryka, the Women's Podflow Puffed Fabric Sneaker Booties feature: Puffed fabric upper Synthetic mudguards and toe cap Signature Ryka patches Slip on fit with laces for secure fit and easy on/off Soft fleece lining Anatomical insole with extra arch and heel support with partially recycled EVA ACTIVenergy™ translucent EVA foam midsole for soft and responsive midsole cushioning  Pods that provide targeted support for each part of the foot while promoting natural motion Compression-molded rubber outsole with ultra-flexible decoupled heel rocker and arch support pod Approx. 4" boot shaft height Approx. 2.25" heel height WEIGHT: 278g/2.8oz HEEL-TO-TOE DROP: 10mm Imported.