Boot Height: Approx. 8'' Tall. Mastering the skills and delivering the results with the Indiana FX work boot from Caterpillar. Goodyear welt construction bonds the leather upper and slip resistant rubber outsole with lasting strength. Nylon mesh lining allows heat and moisture to escape your foot. Exclusive TechniFlex construction provides complete flexibility and range of movement for proving your jobsite fortitude. Tumbled grain leather upper. Goodyear welt construction. Rubber midsole. Slip resistant. Nylon mesh lining. Removable PU sock lining. Removable polyurethane insole. T15 Rubber outsole. TechniFlex Insole.