Alpha ConstructionBuilt with hand-laid premium, natural rubber over insulating neoprene for durability, flexibility and complete waterproof protection. GORE OPTIFADE Complete your Sitka® Gear system with the only boots to use GORE™ OPTIFADE™ Concealment. This pattern is designed around animal vision and not human eyesight, preventing prey from ever recognizing you as a predator. The Elevated II pattern is specifically designed for whitetail hunters and is optimized for ranges of 80 yards and under, keeping you concealed. Comfort LinerQuick drying and moisture wicking, our jersey knit liner will keep your feet dry and comfortable. Active FitWith a comfortable, secure fit to keep your foot in place while on the move, boots with Active Fit also go on and come off with ease. Neoprene GussetDurable, neoprene gusset accommodates different calf sizes and makes it easy to slide the boot on and off. Burly Pro OutsoleOur unique tread pattern gives you the traction to move through demanding terrain while chamfered edges keep you fast on your feet by shedding the mud and muck.