Durable, insulated and feature-rich, the Men’s VECTIV™ Fastpack Insulated Waterproof Boots features our innovative VECTIV™ platform for trail-tuned propulsion and stability. These rugged boots are ready for adventure. Our waterproof footwear incorporates a variety of advanced waterproofing materials, treatments, and processes. To help keep feet dry, we use internal waterproof membranes and/or adhesive and seam-seal constructions.