The Rough Ridge is designed for the harshest conditions The upper is a lightweight Rubber coated PU coupled with a hard rubber toe and heel rand make the rough ridge an incredibly durable boot that can take a beating. The synthetic inner lining and 3mm insole provides for a comfortable fit and does not soak up water helping to keep the boots light. Our EVA mid-sole provides all day comfort and durability for those long days on the water. This model Rough Ridge boot feature our durable high-density polypropylene felt soles that accepts all styles of cleats.