The Ultra Mid by Bogs is determined to keep your feet dry and warm, no matter what type of weather conditions await. Durable hand-lasted rubber over a inner four-way stretch bootie of 7mm of Neo-Tech insulation to provide a totally waterproof boot. Easy pull on handles for easy on and off. Internal midsole with rubber sponge brings extra cushion and comfort to the table, as well as warmth. Treated with DuraFresh bio-technology to fight off unwanted odors. Temperature comfort rated down to -40¡F. Non-slip and non-marking sole for excellent grip. Backed by Bogs Satisfaction Guarantee.