Hi-Tec Men's Raider Mid Waterproof Hiking Boot 100% Synthetic Nylon Imported Rubber sole Waterproof Ghilly lacing provides secure fit TPR heel arm locks in the heel Moisture-wicking lining Ortholite insole cushions and provides anti-odor and anti-microbial protection Stroballed EVA layer between footbed and midsole Fork shank provides stability and flex