This U.S. industry comprises establishments primarily engaged in manufacturing rubber and plastics footwear with vulcanized rubber or plastics soles, molded or cemented to rubber, plastics, or fabric uppers, and rubber and plastics protective footwear. Cross-References. Establishments primarily engaged in-- ? Manufacturing house slippers with fabric uppers and rubber or plastics soles--are classified in U.S. Industry 316212, House Slipper Manufacturing; ? Manufacturing men's footwear (except athletic) with leather or vinyl uppers, regardless of sole material--are classified in U.S. Industry 316213, Men's Footwear (except Athletic) Manufacturing; ? Manufacturing women's footwear (except athletic) with leather or vinyl uppers, regardless of sole material--are classified in U.S. Industry 316214, Women's Footwear (except Athletic) Manufacturing; and ? Manufacturing youths' children's and infants' footwear and athletic footwear with leather or vinyl uppers, regardless of sole material--are classified in U.S. Industry 316219, Other Footwear Manufacturing.