Lightweight, fast, and technical, the Rocky Quickfire collection stands out amongst the rest. Built from the ground up with features selected to give you the ultimate experience in the outdoors. Our multi-terrain rubber outsole with lightweight EVA midsole provides traction and stability when the trail gets rugged. Waterproof heavy knit with Hex-Tex SHIELD Guard combined and our 1 year Vapor Pass breathable recycled membrane waterproofing keeps moisture out without trapping perspiration in. Our Rocky Rebound footbed offers unrivaled comfort, even on unstable terrain. This 5. 5" hiker features 200 grams of PrimaLoft® lofted insulation ensuring your feet stay warm in harsh conditions.