Vamp up your sneaker style to something smooth and easy, like these cool Mark Nason Culver. Lace up closure. Upper made of leather. Lining made of man-made material. Lightly cushioned insole. Rubber outsole. Imported. Measurements: Weight: 15 oz Shaft: 4 1â„2 in Product measurements were taken using size 12, width D - Medium. Please note that measurements may vary by size.