COMFORTcushion PU/PORON Impact Absorption System - reduces leg and lower back fatigue Wide Profile NATUREform Type 1 Steel Toe Cap, with Comfort Liner NANOlite Footbed Massages your feet as you walk, promoting greater blood flow to help reduce fatigue Anti Static Sole Convenient quick release zipper The Oliver 55385 work boot may be lightweight, but it packs a punch with heavyweight protection. It's the lightest ever at 55 series work boot and is loaded with the latest technology and innovation. Features include lightweight sole with self-cleaning tread profile, Oliver COOLstep plush satin feel lining and built in SOFTstride comfort system. Features include - Water resistant leather Oliver COOLstep lining to absorb moisture and odour for optimum freshness and hygiene Lace locking fixture Kevlar thread on critical wear seams for maximum abrasion and chemical resistance COMFORTcushion Impact Absorption System uses a combination of cellular urethane and PORON Oliver SOFTstride open cell low density urethane foam for comfort and contour Shock absorbing Polyurethane midsole support NATUREform Type 1 Toe Cap. Wider profile for greater comfort Latex toe cap liner for added comfort TECtuff toe guard Long wearing All Terrain rubber outsole designed for superior grip and durability. Anti-Static Deep tread profile with self-cleaning design.