The Serious Plus 6" Waterproof Composite Toe Met Guard Puncture-Resisting work boot is designed for ultimate protection so you can focus on the job with confidence. The high-tech nano composite toe and metguard help protect from heavy loads and impact, while the Goodyear® leather welt with puncture-resisting insole board helps prevent the intrusion of sharp objects underfoot. Waterproof leathers and a Dri-Lex® lining provide a comfortable environment inside the boot, and the Vibram® Alpha Plus outsole delivers oil- and heat-resisting durability. This boot meets ASTM F2413 safety footwear standards. -Upper: Premium Waterproof Full Grain Leather -Lining: Leather / Dri-Lex® -Insole: Orthotic -Construction: Goodyear® Leather Welt -Shank: Metallic -Outsole: Vibram® Alpha Plus, Ideal for industrial application and high heat environments -Safety Features: Composite Toe, XRD® Met Guard, Puncture Resisting Midsole, Meets ASTM F2413 Safety Footwear Standards