The Workout Set

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Especially formulated for your most active days, this four-thong set of our best selling Workout style in black and pink wick away moisture and don’t ride up—keeping you fresh whatever you’re doing.

Pre-order will be shipped w/c 19th June.

Size

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•Minimal VPL
•Fast-drying, sweat-wicking technology
•Antimicrobial bamboo gusset
•Four-way stretch
•Made from 84% Recycled Nylon
•Contrast stitching detail

*All sale items are not eligible for returns.

•84% Q-NOVA® Recycled Nylon, 16% Elastane Lycra
•Gusset: 90% Bamboo, 10% elastane
•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
•Free 30-day returns. (T&Cs apply).

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The Tank

The Everyday Thong

The Lingerie Thong

The Workout Thong

Alfie x Underdays Capsule Collection

Where the effortless feminine meets the everyday luxury.

We've partnered with Paris-based 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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