The Thong features smooth, breathable fabric to eliminate panty lines. Our multilayer Leak-Loc™ system pulls in moisture and protects from leaks and spotting. Super-dry top lining wicks away moisture for all-day comfort.
Low-rise thong silhouette
Smooth bonded edges that vanish under clothing
Stretch & recovery fabric and flexible leakproof core provide security and comfort
Replace Panty Liner
Replace or Back Up a Tampon
Light Holds up to 1 tampon or 2 tsp
The Thong features an invisible leakproof core in the gusset. You’ll be comfortable and protected with our soft and slim multilayer core.
The materials in Proof have been rigorously tested in an independent laboratory according to STANDARD 100 by OEKO-TEX®, an international association that ensures the highest level of safety. All Proof undies are free of PFOA/PFOS, lead, phthalates, and other harmful chemicals and are Prop 65 compliant. In a nutshell: we are committed to providing the highest quality care down there.
Proof undies are a sustainable alternative to traditional period and incontinence products. Say goodbye to single-use plastics for your periods and bladder leaks - Proof has you covered. Just wear, wash, repeat!
Caring for your pair is easy. Machine wash cold with mild detergents on a delicate cycle, then hang or lay flat to dry.