The service boot with the comfort of a lace boot. Features: Model: 501605 Material: Waterproof Leather Leg Heigth: 14” Inside Liner: CROSSTECH® Sole: Fire 011 Sole Sizes: 5 to 16 & Half Sizes Widths: Narrow, Medium, & Wide HAIX® High Durability Cap System: Specially developed profiled rubber toe cap for long lasting durability. HAIX® Steel Toe Cap: Protective steel toe cap is extra wide and extra high, as well as secure and comfortable. HAIX® Micro Soft Light System: For increased impact absorption and insulation. HAIX® Climate System: Uses the pumping movement, which permits air circulation with every step - moist air is released and fresh air comes in through the vent holes at the top of the boot. HAIX® Ankle Flex System: Stabilizes the foot with a flexible insert in the shaft/instep area that fits like a lace up boot. HAIX® Secura Liner: Will never pull out or wrinkle up with use over time. A system not duplicated anywhere in the world, the liner is firmly secured and seated along with the upper leather beneath the sole. Standard Classification NFPA 1971-2013 NFPA 1992--2012 CAN/CSA-Z195-2009 ASTM F 2413-2011 According to the feedback from our customers, Haix boots run approximately ½ size larger than other boots.