Carolina Men's INT Lo USA Made 6" External Metguard Work Boot - Briar - 508
Union-made in Carolina's Martinsburg, Pennsylvania factory, the 508 is a 6" broad-toe steel-toe boot with a foam-lined external metatarsal guard, Kevlar® welt stitching, and a Vibram® Alpha heat-resisting outsole — the lower-cut sibling of the 505, built for foundry and welding work. Key Features of the Carolina 508 Steel Safety Toe, Broad Toe Last — Meets ASTM F2413 I-75/C-75 for impact and compression, with a generous toe box. Heavy Plastic-Dense Foam-Lined External Met Guard — Metatarsal protection meeting ASTM F2413 Class Mt75. Briar Pitstop Leather Upper — Rugged full-grain leather. Vibram® Alpha Heat-Resisting Outsole — Oil- and heat-resisting, with heel grooves that disperse fluids and raised ladder grips. Kevlar® Welt Stitching — Kevlar® thread resists flame and heat where ordinary thread burns through. DRi-LEX® Lining — Soft nylon lining with strong moisture-wicking. Removable DRYZ® Pillow Cushion™ Footbed & Radiantex® Insole Board — Memory-foam comfort over a supportive board. Electrical Hazard Rated — Tested to withstand up to 18,000 volts at 60Hz for one minute without leakage. Steel Shank & Welt Construction — Stable and fully resoleable. Union-Made in the USA with Global Parts — Built by UFCW Local 1776 in Martinsburg, PA. Built for Heat Ordinary welt thread burns through long before the sole wears out. The 508 stitches its welt with Kevlar®, and the Vibram® Alpha outsole is rated to hold its shape against surfaces up to 500°F. Heel grooves disperse fluids and raised ladder grips hold on rungs — details aimed squarely at foundry and industrial floors. Mt75 Protection in a Lower Cut The external met guard shields the metatarsal bones across the instep to ASTM Mt75, the same impact energy an I-75 toe absorbs. The 6" shaft trades the 505's ankle coverage for easier movement and a lighter boot. Why Choose the 508? Steel-toe and Mt75 metatarsal protection with real heat resistance, on a resoleable American-made welt — in a lower-cut, broad-toe last that fit
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