Full-grain leather upper, 11" shaft height, Nano composite toe, Shaft flexes and expands for maximum comfort and ease as you put them on and ASE7 moves with you during entry, Slip resisting solid rubber outsole, ASTM F2892 electrical hazard, Goodyear welt construction, Removable comfort insole, Adaptive Stretch Engineering to adapt with movement, reduce shaft tension and ankle pressure, expand for maximum comfort, and reduce pressure when kneeling, squatting, or crouching, EVA midsole and ladder rung design for safety,