Injection molded seamless construction provides 100% waterproof protection.. Composite safety toe meets ASTM F2413 M/I/C and does not transfer cold or set off metal detectors.. Flexible upper material stays supple in cold temperatures to make walking easier.. Tough outsole material for good abrasion resistance.. Self-cleaning, cleated outsole spits out debris as you walk.. Removable insole wicks perspiration to help keep feet dry and comfortable all day..