The Tank

The Tank

£38
Designed for Multifunctional wear
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The Tank

£38
Designed for Multifunctional wear
Ecru
Customers recommend sizing up if you prefer a looser fit

Free UK Delivery over £60+

Free UK Returns & Exchanges

Complete the look
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The Tee

£38 GBP

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The Workout Thong

£18 GBP

The Underdays Tank offers exceptional versatility with its comfortable, flattering fit. Featuring a built-in shelf, it eliminates the need for a bra. Its timeless style is perfect for low-intensity workouts and everyday wear, making it a staple in your wardrobe.

Details

•Built-in shelf

•Engineered for low-intensity exercise

•Sweat-wicking technology

•Made from 84% Recycled Nylon

•Contrast stitch detail

Fabric and Care

•80% Recycled Nylon, 20% Elastane Lycra
•All fabrics are OEKO-TEX certified

Finally—underwear that wins 5* reviews for washing well and holding its shape. No more holes, this style was built to last.
•Cool wash, 40° max.
•Air-dry flat in a shaded area
•Do not iron or tumble dry
•Wash in garment bag

Shipping and Returns

  • We offer both Next Day Delivery and Standard Delivery

Sizing

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Style for every occasion

Built for multi-functional style and unmatched comfort

Ultimate support

No bra needed – our tops are designed with a built-in shelf. No straps that stick out or uncomfortable wires.

Sweat-free

Our tops are crafted from recycled nylon with advanced sweat-wicking properties, ensuring you stay cool and fresh throughout the day

Multi-functional style

Designed to have an ultra-flattering, sculpting fit that's perfect for your gym class and everyday wear.

Unrivalled Style

Say goodbye to conventional cuts or unflattering fits. We were tired of compromising comfort for style. Our design ethos is unparalleled comfort, unrivalled style.

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OUR MISSION

Life isn't always comfortable but your underwear should be.

We make superior underwear that defies industry standards. No more uncomfortable lingerie or basic knickers. It's time to level up your underwear.

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Product details
Revolutionary underwear Underdays + You Underdays + You Underdays + You Underdays + You