The Everyday Bikini features an invisible leak-resistant lining in the gusset. Our lining is thin and breathable to help you feel comfortable and dry.
replace a panty liner
back up a tampon
Outer: 75% Nylon 25% Spandex
Lining: 100% Cotton
Lining: 95% Cotton 5% Spandex
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The bikini undies by Proof feature a mid-rise fit, high cut leg opening, and moderate booty coverage, all in a comfortable stretch fabric that moves with your body.
The bikini features a high-leg opening and narrow sides, with a mid-rise and moderate back coverage. The brief is designed with wider sides, lower rise, and moderate back coverage.
Proof undies are designed to be better for you, and the environment! Single-use plastic period products like tampons and pads end up in landfills and oceans, where they pose a serious threat to wildlife. By switching to Proof, you help to reduce single-use plastic waste.