What do I wear underneath my wetsuit? LimeLight Sports Club 08 November 2021 17:32 Updated Follow We recommend that you wear a tri-suit, but it is not compulsory. Regular sports kit over a swimsuit is fine. Related articles Do I need a wetsuit? Can I listen to a personal music player whilst racing? When should I receive my race pack? Can I use any stroke on the swim? Is water available during the races? Comments 0 comments Article is closed for comments.