Anecdotal, but I have worked on trail crews / outdoor jobs (including crews that were 100% women) and we all used cups for multiple months at a time with no problems. Many women in the outdoors community in the U.S. (forest service, wildland firefighting, long distance trail hikers) swear by them.
Anecdotal, but I have worked on trail crews / outdoor jobs (including crews that were 100% women) and we all used cups for multiple months at a time with no problems. Many women in the outdoors community in the U.S. (forest service, wildland firefighting, long distance trail hikers) swear by them.