Kenetrek Men's Lineman Extreme 1000 Steel Toe Waterproof 10in Work Boots - Linemen, cable installers, arborists, tree service workers... any worker can't afford a boot failure... and that's the foundation from where we began designing this tough, built for comfort boot. From our seamless, one piece vamp construction to hardware that swivels instead of breaks, we thought of every detail so that you could forget about your boots and concentrate on the job at hand. 10in tall 2.8mm thick premium leather uppers Reinforced double and triple stitching in high wear areas 7mm nylon midsoles for extra support in difficult terrain Kenetrek Supportive Footbeds provide foundational arch support and a pronounced heel pocket Steel safety toe meets ASTM F2412-11 and ASTM F2413-11 impact, compression, and electrical hazard safety standards Boot hardware that swivels instead of breaking Protected rubber toe cap for extra abrasion resistance Windtex waterproof breathable flexible membrane keeps water out but allows perspiration vapor to escape 1000 gram Thinsulate insulation for extreme cold Custom K-73 outsoles provide excellent traction and durability Style: KE-410-L1