The Tank

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We have created the dream tank top. Made out of Recycled Nylon, this cult-status item has a built in shelf offering you the support you need without having to wear a bra. From low impact exercise to the ultimate fashion piece, this tank has you covered for all your needs.

Black

Size

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•Perfect for low intensity activities
•Fast-drying, sweat-wicking technology
•Four-way stretch
•Made from 84% Recycled Nylon
•Contrast stitching detail

•84% Q-NOVA® Recycled Nylon, 16% Elastane Lycra
•All fabrics are OEKO-TEX certified
To get the most out of your underwear we recommend following these steps:
•Cool wash, 40° max
•Air-dry flat in a shaded area
•Do not iron or tumble dry
•We offer both Next Day Delivery and Standard Delivery
•London Same Day & Instant for only £1.99 over £30
•Free 30-day returns. (T&Cs apply).
•Items shipped outside the UK may be subject to import duties and taxes applicable to your country or country you are shipping to. Customers are solely responsible and liable for any duties or VAT that are specific to their country.
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Alfie x Underdays Capsule Collection

Where the effortless feminine meets the everyday luxury. 


We've partnered with Paris-based label luxury label ALFIE to create a limited edition capsule set of elevated summer essentials.


A collection with a “borrowed from the boys” feel, this launch celebrates ALFIE’s signature boxer shorts and Underdays’ solutions-driven design—all crafted from a luxury deadstock cotton sourced in Paris.

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