Steel shank 100% Waterproof Breathable Mesh Lining 5mm Neoprene Bootie Double Toe and Triple Rubber Heel Reinforcement Easy to Clean Rubber Overlays Twin Neoprene Topline for Easy on and Off Durable Quick Cleaning Sole bioDEWIX, Antimicrobial Footbed Insert Topcover with NZYM® for Odor Control and Moisture ManagementVendor Style Number: CCST-CSA