Rocky Game Changer boot gives you an aggressive outdoor work boot that keeps you warm and comfortable when in extreme, tough conditions. Polyether upper with HD Mossy Oak BreakUp print for stealth concealment in a lightweight, rugged boot when in the outdoors. Anti-microbial capabilities with being waterproof gives you ultimate dryness protection, even in the wettest conditions while protecting against mold, mildew and fungus. Reflective lining insulation gives you warm and comfort up to and beyond -40 degrees Fahrenheit. Colossal Calf fit gives you a secure, snug fit for people with larger calves. Game Changer athletic inspired outsole gives you maximum flexibility and movement with grip traction for increased stealth and lasting comfort.