The foundation of the Georgia Men's TBD Waterproof Chelsea Work Boots starts with a durable fiberglass shank, heel-stabilizing Counter Lock, and a dual-density EVA and Carbo-Tec rubber outsole that resists heat, chemical, abrasion, and slips. A removable CC8 Comfort Core Next Gen insole with memory foam and the Georgia Waterproof System guarantee all-day comfort and dry feet.