Rockport Men's Rgd BUC Wp Boot Chukka 100% Leather Imported Rubber sole Shaft measures approximately 4" from arch Comfort system designed to provide lightweight shock absorption. Footbed: sponge eva conforms to the shape of the foot for a personalized fit Hydro-shield construction: waterproof leather, seam sealed, waterproof insole, and gusseted tongue helps keep feet dry in wet weather Tpr outsole: durable shock absorbency to help reduce foot and leg fatigue and good sole traction