100% Waterproof Front and Rear Pull-On Tabs Measurements were taken from a size 9. There may be slight variations based on size. Recommend half sizes order up Shaft Circumference is 12.6 inches The XTRATUF Ankle Deck Men's Boot collection has been crafted specifically for off-shore anglers. Anglers are athletes, and like any athlete they demand the best footwear to help them perform at a high level. The Guy Harvey collection has the same great benefits and features signature blue pull tabs and Guy Harvey's signature Marlin print.