The Steel Blue Men's Argyle Zip Bump PR 6 in. Met Guard Steel Toe Work Boots are packed with safety features including internal soft met-guard and bump caps that cover the toe cap area to increase longevity of the product. The tough TPU Outsoles are heat resistant to 266°F, combine Electrical Hazard (EH) and slip resistant properties and perform well on below freezing conditions. These high-quality work boots also include extra tough penetration resistant midsoles to prevent sharp objects getting through to your feet. These durable boots feature our famous Trisole which works to cushion your feet, knees, hips and lower back from day-to-day fatigue and are backed by our 60-Day 100% Comfort Guarantee.