Nylon shank for lightweight support.
Lightweight Carbon Nanofiber toe cap meets or exceeds ASTM 2413-17 I/75 C/75 standards Full grain leather upperNon-metallic work boot with composite safety toe capWaterproof membrane Dual-density PU insole with added cushioning for extra support and comfort..Direct-attach PU outsole is oil and slip resistant. FSI FOOTWEAR SPECIALTIES INTERNATIONAL NAUTILUS Avenger Women's 6-inch Carbon Composite Toe Wedge Work Boot Brown - A7550 BROWN - BROWN, 8-M FSI FOOTWEAR SPECIALTIES INTERNATIONAL NAUTILUS Avenger Women's 6-inch Carbon Composite Toe Wedge Work Boot Brown - A7550 BROWN - BROWN, 8-M.