neoprene
/niːˈoʊprɛn/Definitions
1. noun
A synthetic rubber material used in making wetsuits, diving equipment, and other waterproof products.
“The scuba diver wore a neoprene wetsuit to keep warm in the cold water.”
2. adjective
Made or covered with neoprene.
“The neoprene boots provided excellent insulation for the hikers in the snowy terrain.”