LaCrosse Men's 18" Alphaburly APG HD Hunting Boot 100% Rubber-clad Neoprene Rubber sole Naturally Insulating 3.5MM Neoprene stretches for personalized fit and adjustable back gusset with Cam-Loc buckle accomodates varying calf sizes LaCrosse Alpha technology rubber-clad Neoprene is ozone-resistant, scent-free and 100% waterproof PSport Chassis outsole and EVA midsole cradle the foot for comfort and stability on uneven terrain Fleece lined for comfort and moisture management Realtree APG lighter, more open and neutral-toned that RealtreeAP with olive green accents added