100% waterproof Dual Density high-abrasion/blown rubber bottom. Soft 5mm neoprene lined. Removable 9mm wool felt liner. Fiberglass shank. Water resistant leather upper with stretch nylon tongue and quarter panel. Weight: 4. 4 lbs. per pair. 9. 50 shaft height. 14. 00 circumference. Product measurements were taken using size 8. Please note that measurements may vary by size.