Features of the Bogs Men's Bozeman Tall Boot 100% Waterproof Durable hand last rubber with a four way stretch inner bootie Constructed with 7mm Neo-Tech waterproof Insulation Rebound Technology in Outsole provides lasting comfort Lined with Bogs Max-Wick to evaporate sweat Footbed Features Dual Density EVA, Ortholite, and DuraFresh for optimal comfort Non-marking and self-cleaning BioGrip chemical and slip resistant Outsole Bogs Stabilizer provides natural Fit and under foot support Dual insole that adapts to foot width Comfort rated to -72Adeg F / -60Adeg C