From the website: Echo Boot
Item #208716

The Echo Collection is for those who want comfort without compromising their look. This boot is anything but conformist, with bold sculpting and sport inspiration that keeps streetwear at its core. With Croslite™ construction, a puffy adjustable boot shaft, and rubber soles for extra traction, you can stay comfortable while hitting the street in the Echo collection.
Echo Boot Details:
Puffy boot shaft
Adjustable toggle lacing
Democratic collar height
Exaggerated rubber tread for additional traction
Fully molded Croslite™ upper and foundation
Iconic Crocs Comfort™: Lightweight. Flexible. 360-degree comfort