Additional information
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Twice the essential. A duo of unisex tees in organic cotton — white and black, classic fit, built for everyday comfort and lasting simplicity.
CHF 35.00
Upgrade your essentials with this 2-pack of unisex organic cotton t-shirts — featuring one in white and one in black. Designed with a classic fit and breathable, soft-touch fabric, these tees are perfect for everyday wear. Made from 100% organic cotton, they combine comfort, durability, and sustainability.
Ideal for those who want a versatile, minimalist wardrobe with eco-friendly values. Whether layered or worn on their own, these t-shirts offer reliable style and long-lasting quality — at a better price than buying separately.
Available with fast shipping from Geneva.
Black & White — for everyday versatility
Two classic shades to match any mood or outfit.
Organic Cotton — for a naturally soft feel
Made from 100% certified organic cotton for comfort and breathability.
Classic Fit — for unisex style that works
A timeless cut that suits all genders and all wardrobes.
Better Together — save when you buy the duo
More value than purchasing separately.
Eco-Friendly — for conscious living
Sustainable materials, fewer resources, smarter choices.
Fast Shipping — because your time matters
Quick delivery from Geneva, with care and attention.
We ship to most European countries , Australia and Japan.
For details on our shipping fees and return policies, please click here: Shipping Policy , Refund and Return.
Should you have any questions or need assistance, our team is just a click away.
Thank You for Choosing Zerokay!
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Our socks are true to European size.
If you have a wider foot or are between sizes, we recommend choosing the upper size for the best comfort.
Available sizes: 35–38 | 39–42 | 43–45
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Our T-shirts are true to European size.
For a regular, close-to-body fit → choose your usual size.
For a more relaxed fit → we recommend going one size up.
Available sizes: S | M | L | XL
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Helmet Size | Head Circumference (cm) |
XXS – XS 52 -54 cm | 51.1 – 54.0 |
S – M 55-58 cm | 54.1 – 58.0 |
L – XL 59 – 61 cm | 58.1 – 61.0 |


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