Completely refreshed These 376015 LaCrosse Men's Alphaburly Pro Rubber Boots are focused on a personalized fit and guaranteed Comfort. Constructed with a more-natural rubber compound, this boot is much more flexible and easier to get on and off. We've replaced the fleece lining with an embossed neoprene liner for good air circulation to keep legs and feet cool and Comfortable while the adjustable neoprene gusset increases stability and accommodates varying calf sizes. 18" LaCrosse? Innovated Alpha Technology By Combining High Quality, Scent-Free Rubber with Naturally Insulating Neoprene Resulting in an Extremely Durable, Lightweight and Comfortable Boot Mossy Oak Break-Up Infinity Camouflage 1,000 Grams of Thinsulate Ultra Insulation Line the Inside of the Boot to Keep You Warm on the Coldest Days Thick Cushioning EVA Midsole Offers Extra Comfort and Shock Absorption Adjustable Rear Gusset Allows for a Customizable Fit Ankle-Fit Design - a Narrowed Ankle