Rocky Men's Ry008 Military and Tactical Boot 100% Textile Imported Synthetic sole Shaft measures approximately 9" from arch Platform measures approximately 1.0" Boot opening measures approximately 10" around Dual Performance Material Upper With Polishable Toe Section Water-Resistant and Fast Drying Materials Ventilation Holes On Outer Sides Promote Breathability Speed Lacing System With Nato Hooks Sturdy 550 Grade Nylon Cord Laces