At the Tour de France Femmes. Apparently some kind of an aero advantage can be gained by padding one's bra. Who would have thought? I wonder if they need tech inspectors...
https://www.cyclingnews.com/pro-cycling/womens-cycling/extra-clothing-checks-at-tour-de-france-femmes-after-reports-riders-may-be-padding-bras-for-aero-gains/
Extra clothing checks at Tour de France Femmes after reports riders may be padding bras for aero gains
Jury warns that particular attention will be paid to items of clothing that 'could modify riders' morphology' before stage 4 TT
Riders at the Tour de France Femmes can expect more detailed clothing checks before stage 4's time trial after reports that riders may be using additional padding in their bras to gain an aero advantage after the UCI issued a special warning about items "which could modify riders’ morphology".
Wielerflits published a story on Sunday about this potential issue, noting that riders have sometimes appeared to have a larger chest size during time trials compared to road races, and reporting that several WorldTour teams have voiced their concerns over riders' artificially changing their breast size using padding during races.
An increased volume in the chest area can have significant aerodynamic gains, as it redirects the airflow around the body, for both men and women...