6403: Footwear with uppers of leather

640311: Ski footwear, with uppers of leather 640319: Sports footwear, except ski, uppers of leather 640320: Footwear, soles/uppers leather, strap instep & big to 640330: Footwear, wood base, uppers leather, no inner sole 640340: Footwear, uppers of leather with metal toe-cap, nes 640351: Footwear, soles, uppers of leather, over ankle, nes 640359: Footwear, outer soles and uppers of leather, nes 640391: Boots, sole rubber or plastic upper leather, nes 640399: Footwear, sole rubber, plastics uppers of leather, ne 6403: Footwear with uppers of leather