Focus on your workout,

Not your underwear

• Sweat-Tested •

• Mesh Woven Fabric •

• Designed in Canada •

• Comfortable Fit •

Move & Sweat

  • High Movement Thong

    Strategically built for high-intensity workouts. Running, jumping, lifting or cycling. While you move, these undies comfortably stay in place.

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  • Supersoft Thong

    A softer, more graceful fit hugging your body during low-intensity sweats. Think yoga, pilates, mobility training or walking. These undies will flow seamlessly with you.

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Relax & Recover

  • Recovery Shorts

    Designed for sleeping or lounging at home. A boy short that is actually comfortable, so you can unwind while looking and feeling great.

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  • The Recovery T

    A simple t-shirt with a laid back feel. Meant for recovering at home.

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What makes us unique?

Unlike traditional underwear, BIA is made for movement.
When designing our products, we prioritized comfort for every activity level.
Underwear that moves with you and disappears once your training begins.
Breathable, sweat-wicking and soft - they'll quickly become your go-to pair of undies.