Your life is complicated enough. You don't need to waste time worrying about whether you bought the right boot or not. The Caterpillar Men's Propane Steel Toe Work Boot is a superior boot is an uncomplicated package.Starting from the ground up the SRX Best in Class Slip-Resistant Outsole will assure you that you'll stay firmly planted tackling the daily challenges. The whole design of this boot is to support the natural movement of your foot.The Caterpillar Men's Propane Work Boot is anatomically accurate to enhance stability, flexibility and comfort. The high performance rubber outsole flows up to the leather upper providing security and comfort along with good looks. It's even easy to pull on without having to take time to lace and tie.Inside you're looking at nylon mesh lining that provides you with maximum ventilation allowing your feet to stay cool all while keeping the boot lightweight.The removable, perforated EVA with Gel Technology Insert insole provides superior comfort. That helps with comfort, but what about protection? We're glad you asked. The ASTM F2413-05 I/75 C/75 Steel Toe and ASTM F2413-05 I/75 EH Electrical Hazard Rating should satisfy your curiosity.Remember, life is complicated enough without having to worry about if you bought the right boot or not. The Caterpillar Men's Propane Steel Toe Work Boot will help you rest at night knowing that the only concern you'll have in the morning is choosing waffles or pancakes.