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Period Underwear

Our leakproof undies just got even better.

Now in new colors with new bands, and in an expanded size range from 3XS to 6X, we are giving you the same protection and more ways to wear it.

39 products

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39 products

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NOW IN 3XS-6X

First Line Leakproof Bikini - Black X=-Underwear-TomboyX

First Line Leakproof Bikini - Black X=-Underwear-TomboyX

First Line Leakproof Bikini - Black X=

Sale

Multipack Period Leakproof Bikini - Black X=

$75.00 $50.00 Save 33%

Sale

Period Leakproof Bikini 5-Pack - Cotton Black X=

$125.00 $79.99 Save 36%

NOW IN 3XS-6X

First Line Leakproof Hipster - Black X=-Underwear-TomboyX

First Line Leakproof Hipster - Black X=-Underwear-TomboyX

First Line Leakproof Hipster - Black X=

Sale

Multipack Period Leakproof Hipster - Black X=

$96.00 $65.00 Save 32%

Sale

Period Leakproof Hipster 5-Pack - Cotton Black X=

$160.00 $99.99 Save 38%

NOW IN 3XS-6X

First Line Leakproof 4.5" Trunks - Black X=-Underwear-TomboyX

First Line Leakproof 4.5" Trunks - Black X=-Underwear-TomboyX

First Line Leakproof 4.5" Trunks - Black X=

NOW IN 3XS-6X

First Line Leakproof Bikini - Black Rainbow-Underwear-TomboyX

First Line Leakproof Bikini - Black Rainbow-Underwear-TomboyX

First Line Leakproof Bikini - Black Rainbow

Sale

Multipack Period Leakproof Bikini - Black Rainbow

$75.00 $50.00 Save 33%

Sale

Period Leakproof Bikini 5-Pack - Cotton Black Rainbow

$125.00 $79.99 Save 36%

NOW IN 3XS-6X

First Line Leakproof Hipster - Black Rainbow-Underwear-TomboyX

First Line Leakproof Hipster - Black Rainbow-Underwear-TomboyX

First Line Leakproof Hipster - Black Rainbow

Sale

Multipack Period Leakproof Hipster - Black Rainbow

$96.00 $65.00 Save 32%

Sale

Period Leakproof Hipster 5-Pack - Cotton Black Rainbow

$160.00 $99.99 Save 38%

NOW IN 3XS-6X

First Line Leakproof 4.5" Trunks - Black Rainbow-Underwear-TomboyX

First Line Leakproof 4.5" Trunks - Black Rainbow-Underwear-TomboyX

First Line Leakproof 4.5" Trunks - Black Rainbow

NOW IN 3XS-6X

First Line Leakproof Bikini - Plum Rainbow-Underwear-TomboyX

First Line Leakproof Bikini - Plum Rainbow-Underwear-TomboyX

First Line Leakproof Bikini - Plum Rainbow

Sale

Period Leakproof Hipster 3-Pack - Cotton Plum Rainbow

$96.00 $64.99 Save 32%

Sale

Multipack Period Leakproof Bikini - Mixed Rainbow

$75.00 $50.00 Save 33%

Sale

Period Leakproof Bikini 5-Pack - Cotton Mixed Rainbow

$125.00 $79.99 Save 36%

NOW IN 3XS-6X

First Line Leakproof Hipster - Plum Rainbow-Underwear-TomboyX

First Line Leakproof Hipster - Plum Rainbow-Underwear-TomboyX

First Line Leakproof Hipster - Plum Rainbow

Sale

Period Leakproof Hipster 5-Pack - Cotton Mixed Rainbow

$160.00 $99.99 Save 38%

Sale

Multipack Period Leakproof Hipster - Mixed Rainbow

$96.00 $65.00 Save 32%

NOW IN 3XS-6X

First Line Leakproof 4.5 Trunks - Plum Rainbow-Underwear-TomboyX

First Line Leakproof 4.5 Trunks - Plum Rainbow-Underwear-TomboyX

First Line Leakproof 4.5" Trunks - Plum Rainbow

NOW IN 3XS-6X

First Line Leakproof Bikini - Night Sky Rainbow-Underwear-TomboyX

First Line Leakproof Bikini - Night Sky Rainbow-Underwear-TomboyX

First Line Leakproof Bikini - Night Sky Rainbow

NOW IN 3XS-6X

First Line Leakproof 4.5" Trunks - Night Sky Rainbow-Underwear-TomboyX

First Line Leakproof 4.5" Trunks - Night Sky Rainbow-Underwear-TomboyX

First Line Leakproof 4.5" Trunks - Night Sky Rainbow

NOW IN 3XS-6X

First Line Leakproof Bikini - Night Sky X=-Underwear-TomboyX

First Line Leakproof Bikini - Night Sky X=-Underwear-TomboyX

First Line Leakproof Bikini - Night Sky X=

Sale

Period Leakproof Bikini 3-Pack - Cotton Night Sky X=

$75.00 $49.99 Save 33%

Sale

Multipack Period Leakproof Bikini - Mixed X=

$75.00 $50.00 Save 33%

Sale

Period Leakproof Bikini 5-Pack - Cotton Mixed X=

$125.00 $79.99 Save 36%

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