Commercial grade and tougher than 'TUF, Grundens Men's Tough Seas Ankle Boots are built for the fisherman who's notoriously hard on their gear. Fish harder and longer with a compression-molded EVA midsole that provides superior comfort and support needed for long shifts on deck, and a 100% waterproof upper reinforced at all critical fail points to last season after season. Features100% Waterproof Construction Provides Protection from the ElementsCompression-Molded EVA Midsole With Heel Stabilizer Provides All Day Comfort and SupportRazor-Siped Waterproof Outsole with Tread Designed for Maximum Surface Contact & Wet Deck TractionMolded Kick Plate in the Toe for Maximum On-Deck ProtectionAsymmetrical Collar Design Allows for an Anatomical Fit with Stretch Binding that Won't Pop with UseHeiQ SmartTemp Thermo-Regulating Lining FinishHeiQ Fresh Anti-Odor Lining