We fit you
because fitting in was never the point.
TomboyX First Line Leakproof Underwear in Bikini and 4.5

Your FIRST LINE of defense

Own your confidence, every day of the month

Shop Leakproof
We believe in our underwear
so much, we want you to
try them risk free.
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  • Applies to your first pair of underwear.
  • Contact us within 45 days for a full refund.
  • No hassle, no need to return, no questions asked.

TomboyX has single-handedly changed my underwear standards forever with its comfortable, gender-inclusive styles.

Business Insider, August 2019

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