Boot Height: Approx. 6'' Tall . Full grain leather upper. Cooling nylon mesh lining. New iTechnology features shock-absorbing, energy-returning EVA cushioning. Ortholite footbed with microbial layer for odor & moisture control. TechniFlex membrane for maximum flexibility. Wide widths available! This isn't yesterday's work boot! The Annex flashes into the future with athletic shoe comfort built into a boot so rugged, only Caterpillar could have created it. Superior EVA midfoot stability. Tough Goodyear welt. T777 iTechnology outsole. Speed hooks for easy lacing. Padded collar.