NWT Crocs Echo Wave Clogs Size M8/W10 Pond Slip On Sandals Slides Shoes 210521-3YO The Echo Wave pushes the boundaries further, thinking about footwear in an entirely new way. This future-forward design builds on the Echo Collection, featuring digitally inspired sculpting and texture that covers the upper and seamlessly cascades to the outsole. With bold form and purposeful design, the Echo Wave provides an engaging new aesthetic combined with innovative comfort and utility. The new wave in footwear is here. Roomy fit. We recommend sizing down. Incredibly light and easy to wear Digitally inspired sculpting and texture covering the upper Unique outsole with sculpting that seamlessly cascades from the upper 5 mm of additional heel capture offers an evolved aesthetic and improved fit Medial and lateral ventilation holes provide breathable functionality LiteRide™ footbed: Revolutionary. Sink-in softness. Innovative comfort.