Inspired by a classic boot in a convenient pull-on style. 100% waterproof Natural hand-lasted rubber and a four-way stretch inner bootie Non-slip, non-marking, and self-cleaning outsole Aegis antimicrobial odor protection insole 2mm of EverDry with Bogs Max-WickTM to keep feet dry DuraFresh anti-odor protection Dual-density, contoured EVA insole Weight: 4.0 Height: 12" Temperature rating: -40°F/-40°C Calf circumference: 18" SKU: 61142-001 Bogs Mens Classic Mid Insulated Boots - Black/Noir