Amazon.com | MUCK Men。* 100% Waterproof * 4mm CR Flex-Foam neoprene liner is 100% waterproof with exceptional comfort, flexibility, shock absorption and heat retention properties; adjusts to the contours of your foot to resist blisters and chafing * Lace-up construction for a tailored fit * 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 * Lugged rubber outsole for durable traction * bioDEWIX™ antimicrobial footbed insert topcover with NZYM™ for odor control and moisture management * Pull-tab for easy on and off * Comfort Range: Sub Freezing to 65°F / 18°C Note: These are likely a return, appear in good condition and have tags attached. May show signs of being tried on, see pictures for further detail. There appears to be some glue residue on the front of one of the boots. Internal ID #426