Swimsuit: NCAA-approved per Equipment Standards (textile fabric only since 2010; no full-body polyurethane suits); FINA/World Aquatics approval list applies; Goggles, swim cap, ear plugs (optional), nose clip (optional); Lane lines: floating lane dividers running the full length of the pool, colo...
Why people argue about this
People often assume that polyurethane suits are allowed in swimming competitions simply because they're flexible and aerodynamic, forgetting about the 2010 ban on full-body polyurethane swimsuits by NCAA. They overlook the key fact that only textile fabric is now permitted since then, making any suit made of polyurethane illegal for competition use.
