"Full Description:\nThe Apex Pro Collection is built for high endurance cool and cold weather pursuits requiring a more athletic and agile boot. Offered in two heights/variations, 13 inch and a 16 inch, with the 16 inch boot being insulated for added warmth protection. The Apex Pro 16 inch Insulated features our new and improved Thermal Regulating Fleece. TR Fleece is a revolutionary open-fiber technology that wicks away moisture 33% better than a standard synthetic fleece. 100% waterproof, 100% MUCKPROOF with a Vibram® Arctic Grip A.T. Traction Lug outsole for segment leading grip on variable and icy terrain. Strategically placed rubber overlays provide additional protection along the shin and forefoot without adding unnecessary weight.\n\nFeatures:\n\u003cul>\n\u003cli>5mm Neoprene Bootie for Comfort and Performance\u003c/li>\n\u003cli>Designed for high endurance, athletic outdoor pursuits\u003c/li>\n\u003cli>Rubber overlays provide added protection without extra weight\u003c/li>\n\u003cli>16-inch height for extended leg protection\u003c/li>\n\u003cli>Insulated for added warmth in cool and cold conditions\u003c/li>\n\u003cli>Thermal Regulating Fleece wicks moisture 33% better than standard fleece\u003c/li>\n\u003cli>100% Waterproof and MUCKPROOF construction\u003c/li>\n\u003cli>Vibram Arctic Grip A.T. outsole for superior traction on ice\u003c/li>\n\u003cli>Approx. calf circumference: 15.5 in\u003c/li>\n\u003cli>Approx. shaft height: 16 in.\u003c/li>\n\u003cli>Combining Vibram®’s All-New Arctic Grip All Terrain with XS Trek Evo and their New Traction Lug Technology for Added Durability and Grip on Wet and Dry Surfaces, Improving Traction by up to 25%\u003c/li>\n\u003cli>Lightweight EVA Midsole for All Day Comfort and Support\u003c/li>\n\u003cli>bioDEWIX™Dry Footbed Insert Topcover with NZYM™ for Odor Control and Moisture Management\u003c/li>\n\u003cli>Dual Density Footbed with Memory Foam for Long Lasting Comfort\u003c/li>\n\u003cli>Thermo Regulating (TR) Fleece, a revolutionary open-fiber technology that wicks away moisture 33% better than a standard synthetic fleece to maintain a comfortable temperature range\u003c/li>\n\u003cli>Pull Tab Provides Easy On/Off\u003c/li>\n\u003cli>100% Waterproof\u003c/li>\n\u003c/ul>\n\nSpecifications:\n\u003cul>\n\u003cli>Comfort Range: -40°F to 40°F / -40°C to 4°C\u003c/li>\n\u003c/ul>\n"