Welcome to Tweak

Meet the G-string your leggings have been waiting for no VPL, breathable comfort and a waistband that actually stays put

Every great workout starts with the right foundation.

Tweak G-Strings are seamless, lightweight, and designed to disappear under your leggings so all you feel is you. No rolling, no riding, no VPL. Just comfort that keeps up with your life.

New to Tweak? Take the Find Your Fit quiz below to discover your perfect Fit

Find Your Perfect Fit

Answer a few quick questions to discover your ideal size

1 of 3

What's your body type?

How do you prefer your underwear to fit?

What size do you usually wear in other brands?

Your recommended size is

Based on your answers, this size should provide the perfect fit for you

4.9 from 254 reviews
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🚫 No VPL
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💧 Moisture-Wicking
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🔒 No-Roll Waistband
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🌿 Breathable Fabric
Once you go Tweak, you don't go back.
Loved by 1000's+ women who made the switch to seamless. Real women, real workouts, real results.
Perform G-String  No VPL Gym Underwear for Women | Tweak Me Online

Perform G-String No VPL Gym Underwear for Women | Tweak Me Online

Our Perform G-String collection features premium women's athletic underwear designed for the modern active woman. ...

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Perform Hybrid G-String  Seamless Coverage for Active Women | Tweak Me Online

Perform Hybrid G-String Seamless Coverage for Active Women | Tweak Me Online

The Perform Hybrid collection gives active women the best of both worlds, seamless g-string performance with a lit...

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Pulse Collection High-Intensity Gym Underwear for Women | Tweak Me Online

Pulse Collection High-Intensity Gym Underwear for Women | Tweak Me Online

The Pulse collection is built for your most intense sessions. Maximum moisture-wicking performance in a seamless, ...

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Core Collection  Everyday Performance Underwear for Women | Tweak Me Online

Core Collection Everyday Performance Underwear for Women | Tweak Me Online

The Core collection is your everyday essential, seamless, comfortable, and completely invisible under whatever you...

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