The 8-inch GSA Compliant boots in the Rocky Havoc collection offer supreme comfort and performance. It starts with an aggressive lug rubber outsole and an internal EVA midsole for stability. From there, the Rocky Air-Port footbed used in Havoc boots adds cushioning and support with each step. Then, the uppers are made from lightweight and breathable nylon or a tactical knit material along with polishable leather. These premium materials make the Rocky Havoc a lightweight, breathable public service boot you won't want to take off.