Goggle Straps & Caps
When racing Swim Caps should be as smooth as possible (wear two if you have to) and Goggles Straps should be worn under the cap.
This helps aid streamlining through the water...no dangling bits of elastic etc.
Yes, our swimmers have many other issues to address, but always good to get into good habits early.
And...swimmers should always take a spare pair of goggles to the starting block.
All part of being professional.