Muck Footwear Men。The Apex Pro is built for high endurance cool and cold weather pursuits or treks that require a more athletic and agile boot. 100% waterproof with strategically placed rubber overlays that provide additional protection along the shin and forefoot without adding unnecessary weight. * 100% Waterproof * Fully lined with 4mm CR Flex-Foam neoprene, 100% waterproof with exceptional comfort, flexibility, shock absorption and heat retention properties; adjusts to the contours of your foot to resist blisters and chafing * Breathable mesh lining facilitates air circulation to improve comfort and reduce heat and moisture * Dual density comfort footbed with memory foam for long lasting cushioning * EVA midsole for lightweight comfort and shock absorption * Extended rubber coverage for added protection * bioDEWIX™ antimicrobial footbed insert topcover with NZYM™ for odor control and moisture management * Combining Vibram\'s All-New Arctic Grip All Terrain outsole with XS Trek Evo compound and their New Traction Lug Technology for added durability and grip on wet and dry surfaces; providing improved traction on loose terrain. * Pull-tab for easy on and off * Comfort Range: -20°F to 50°F / -30°C to 10°C Note: These are likely a return and may show signs of being tried on, they appear in good unworn condition. They come in original box and with tags attached, see pictures for additional detail. Internal ID #399