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.
40 products
New
QUICK SHOP
![](http://tomboyx.com/cdn/shop/files/Go_With_The_Flow_First_Line_Period_Bikini_1-jpgcopy.jpg?v=1712342997)
![](http://tomboyx.com/cdn/shop/files/Go_With_The_Flow_First_Line_Period_Bikini_2-jpgcopy.jpg?v=1712342999)
New
QUICK SHOP
![](http://tomboyx.com/cdn/shop/files/Go_With_The_Flow_First_Line_Period_Boy_Shorts_1-jpgcopy.jpg?v=1712343044)
![](http://tomboyx.com/cdn/shop/files/Go_With_The_Flow_First_Line_Period_Boy_Shorts_2-jpgcopy.jpg?v=1712343044)
New
QUICK SHOP
![](http://tomboyx.com/cdn/shop/files/Go_With_The_Flow_First_Line_Period_4-copy-png.jpg?v=1712343989)
![](http://tomboyx.com/cdn/shop/files/Go_With_The_Flow_First_Line_Period_4copy-jpg.jpg?v=1712343989)
New
QUICK SHOP
![](http://tomboyx.com/cdn/shop/files/Go_With_The_Flow_First_Line_Period_9_1copy.jpg?v=1712343122)
![](http://tomboyx.com/cdn/shop/files/Go_With_The_Flow_First_Line_Period_9_2copy.jpg?v=1712343122)
Sale
QUICK SHOP
![First Line Leakproof Bikini - Black X=-Underwear-TomboyX](http://tomboyx.com/cdn/shop/products/FirstLine_Bikini_BlackBlackBand_1_ec3e761b-d28c-48e0-bc46-c1195e2291d8.jpg?v=1614714070)
![First Line Leakproof Bikini - Black X=-Underwear-TomboyX](http://tomboyx.com/cdn/shop/products/FirstLine_Bikini_BlackBlackBand_2.jpg?v=1607456547)
Sale
QUICK SHOP
![First Line Leakproof Bikini - Plum X=-Underwear-TomboyX](http://tomboyx.com/cdn/shop/products/FirstLine_Bikini_PlumBlackBand_1_ed568b3d-2039-42d9-ab94-f6fca6049785.jpg?v=1614714083)
![First Line Leakproof Bikini - Plum X=-Underwear-TomboyX](http://tomboyx.com/cdn/shop/products/FirstLine_Bikini_PlumBlackBand_2.jpg?v=1607456571)
Sale
QUICK SHOP
![First Line Leakproof 4.5" Trunks - Plum X=](http://tomboyx.com/cdn/shop/products/FirstLine_4-5Inch_PlumBlackBand_1.jpg?v=1614714087)
![First Line Leakproof 4.5](http://tomboyx.com/cdn/shop/products/FirstLine_4-5Inch_PlumBlackBand_2.jpg?v=1607456579)
Sale
QUICK SHOP
![First Line Leakproof Bikini - Night Sky X=-Underwear-TomboyX](http://tomboyx.com/cdn/shop/products/FirstLine_Bikini_NightSkyBlackBand_1_b7b24a1f-ad04-469b-bc0e-53eec8d803a5.jpg?v=1614714096)
![First Line Leakproof Bikini - Night Sky X=-Underwear-TomboyX](http://tomboyx.com/cdn/shop/products/FirstLine_Bikini_NightSkyBlackBand_2.jpg?v=1607456598)
Sale
QUICK SHOP
![First Line Leakproof 4.5 Trunks -Night Sky X=-Underwear-TomboyX](http://tomboyx.com/cdn/shop/products/FirstLine_4-5Inch_NightSkyBlackBand_1_c4f970c8-c759-4ecf-8e3f-44108eda774d.jpg?v=1614714100)
![First Line Leakproof 4.5 Trunks Night Sky X](http://tomboyx.com/cdn/shop/products/FirstLine_4-5Inch_NightSkyBlackBand_2.jpg?v=1607456605)
Sale
QUICK SHOP
![](http://tomboyx.com/cdn/shop/products/FirstLine_Bikini_Black_1.jpg?v=1667945372)
![](http://tomboyx.com/cdn/shop/products/Bikini_BL_FIrstLine_Black_2_d21f978b-72cd-4dd3-960a-403ebc779945.jpg?v=1667945372)