The Argyle Zip: Met / PR Midsole / Bump Cap is packed with safety features, and the padded collar and tongue offer support and all-day comfort. Designed to be laced up for comfort, the side zips offer easy access. Crafted from Oak colored, premium cowhide Leather, this 6-inch Zip Sided Men’s work boot is also Water Resistant. The tough Thermoplastic polyurethane Outsole is heat resistant to 266F, combines Electrical Hazard (EH) and Slip Resistant properties, and performs well on below freezing conditions. It also includes an extra tough Penetration Resistant midsole to prevent sharp objects getting through to your foot. Made from hardened steel for premium toe protection, the 200 joule Steel Toe Cap (ErgoDefender) is capable of resisting a drop force of 200J, 15kN of rolling objects, nail gun puncture and power saw cut. The internal polyurethane Metatarsal Guard, rated to 100 joules of force, offers superior impact protection and reduces the risk of injury from impact to this part of the foot, without compromising on our complete level of 100% Comfort. The Argyle Zip: Met / PR Midsole / Bump Cap features our famous Trisole which works to cushion your feet, knees, hips and lower back from day-to-day fatigue. All this is backed by our 60-Day 100% Comfort Guarantee. Available in Medium (M) and Wide (W) fit options. Steel Blue Argyle Zip: Met / PR Midsole / Bump Cap boots are independently certified to major international safety standards and the American Standard ASTM F2413. Argyle Metguard 6 Inch Zippered Puncture Resistant Steel Toe Work Boots