Essentials crewnecks in natural and racing green, shot in an unfinished house
Autumn offer · CZK 2,270

Autumn set
at a special price.

The ideal autumn combo. Bought separately the crewneck and T-shirt cost CZK 2,540, in the bundle just CZK 2,270. Plus two free PDF guides and a hand-crocheted keyring, and there are only so many.

Essentials sweatshirt in Racing Green, worn
Essentials · wardrobe basics

Lasts for years.
Not just
one season.

The sweatshirt is 350 g/m² and brushed inside, the t-shirt 180. One hundred percent cotton, no elastane — which is exactly why the collar keeps its shape even after the fifth wash.

Honza and Matyáš, the founders of ARCHE, in a house under construction
Who’s behind it

We’re twenty
and we want clothes
that last.

It started when an expensive coat from the mall fell apart on Matyáš after two wears. So alongside our studies we started our own brand that lives up to our idea of quality clothing.

180–350 g/m²
Fabric weight by piece
100%
Cotton, no elastane
Collection II

Essentials

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Want a T-shirt and crewneck where you know what you are buying? 100% NILCOTT® cotton with no elastane, no logo on the chest, a take-back programme.

Reviews

What customers say

Collection I

Drop 001

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A limited series with an embroidered wing on the back. The T-shirt and crewneck belong together, each carries only half of the motif and the whole appears only when they meet. It was designed by Lucka, our designer. She explains it herself on the product page.

Material

NILCOTT®. Cotton, nothing else.

One hundred percent cotton. No elastane, no blend — and that’s the difference you’ll feel after the fifth wash, not on the day you buy it.

Detail: fabric weight of the knit
350 g/m² fabric weight of the knit
Detail: ribbed collar
Ribbed collar keeps the neckline in shape
Essentials sweatshirt in Racing Green, worn
Seam detail
No elastane no elastane or blends in the seams
Fabric surface
100% cotton NILCOTT®, nothing blended in

When a piece is worn out, send it back to us. It goes to the material manufacturer, where it is processed into input for further textile production. We won’t claim it becomes a new t-shirt — the cotton changes in the process, and no one can turn it back into cotton of the original quality.

The two founders of ARCHE in a window opening of a house under construction, shot on 21 August 2026
Who’s behind it

Two students, no investor behind us

We’re building the brand, the website, the designs and this fabric ourselves, from scratch. Nobody is putting money into it and nobody is telling us how to do it. We learn most things by getting them wrong first.

Running a business is largely about dealing with screw-ups — people just don’t talk about them. We want to, because it’s the one thing that sets a small brand apart from the ones with a budget for nicer photos. When we miss a deadline or get burned by a supplier, you’ll hear about it.

We don’t want to flood the world with more t-shirts. We want ours to last for years, and we want you to know what they went through before they reached you.

Honza & Matyáš
FAQ

What you ask us most

Why does a t-shirt cost more than at a regular chain store?

Because it’s made from NILCOTT® — combed cotton with no elastane, not the cheapest raw material available. You’ll notice the difference after a few washes: the collar keeps its shape and the fabric doesn’t pill. Think of it as a piece you wear for years, not a season.

How do you know it will really last?

It comes down to fabric weight and construction. Our t-shirts are 180 g/m² and our sweatshirts 350 g/m² — noticeably more than a typical high-street t-shirt, which is why they keep their shape.

What if the size doesn’t fit?

You have a full month to return it, not just the legal fourteen days. The piece only needs to be unworn and unwashed, in its original condition and with the tag. Every product has a size chart and a size calculator — and if you’re not sure, write to us before you order.

What happens to a piece when it’s worn out?

Send it back to us and you’ll get store credit. We pass returned pieces on to the fabric’s maker, NIL Textile, for further processing.