The tried-and-true Ariat Sierra Boots are now new an improved, delivering greater comfort and less foot fatigue. Featuring Shock Shield technology, these Boots diffuse heel impact, absorb shock and minimize fatigue so that you feel good, all day long. With full grain leather and Goodyear welt construction, the Sierra Square Toe H2O Boots are built to support you through the toughest of workdays. Energy Max anti-fatigue insoles provide cushioning and rebound, while heat and oil/slip-resistant Duratread outsoles add durability, making these the perfect Boots for harsh outdoor work and high heat environments. Plus, a stamped flag design on the upper adds some patriotic flair. Men's Work Boots from Ariat Premium full grain leather upper Steel toe is ASTM F2413-18 M/I/C EH rated Energy Max anti-fatigue insole Unlined upper with exposed outseam construction Large stamped flag design on upper Shock Shield technology diffuses heel impact, absorbs shock and minimizes fatigue Goodyear welt construction Heat/oil/slip-resistant Duratread outsole High heat-resistant outsole 90 degrees heel