Our Materials

Finished UTKU garments at the atelier in Ecuador
Lona: It Doesn't Wear Out, It Wears In
A traditional canvas with deep roots in Ecuador. Durable, dense, and built for pieces that work hard — it ages with purpose and gains character the more it's used. Read more...
Rows of cotton yarn spools on factory racks
Heavy Cotton: Built Like a Tank
Cotton with weight and structure — at 400 grams per square meter, it sits somewhere between a shirt and a light jacket. Substantial, structured, and built to last for years. Read more...
Animals grazing in the Andean highlands of Ecuador
Merino Wool: Wool's Smarter Sibling
Finer, softer, and more temperature-responsive than standard wool. Next season, merino becomes the foundation of our fall/winter collection. A first look. Read more...
UTKU wool socks with a colourful Andean blanket
Wool: Last Call
A beautiful natural wool with all the warmth and weight you'd expect — grounded, earthy, made to last. These pieces are finishing their run, and we won't be reordering this... Read more...
White alpaca with black patches grazing in the Andean highlands of Ecuador
Baby Alpaca: Softer Than Cashmere
One of the rarest natural fibres in the world — sourced from the first shearing of young alpacas in the Andean highlands. Extraordinarily soft, naturally warm, made in small batches. Read more...
Dark navy UTKU linen shirt with collar and tagua nut button detail
Linen: The Original Flex
Six thousand years old and still cooler than everything in your closet. The flax-grown fabric that drinks almost no water, gets better with age, and just joined the UTKU family. Read more...
Rows of cotton yarn spools on factory racks
Crinkle Cotton: The Fabric Nobody Could Copy
A 40-year-old twisting technique from Ecuador's La Internacional, woven exclusively for us at La Fábrica. The signature crinkle is built into the weave — and you won't find it anywhere... Read more...
Raw cotton bale being fed into processing machinery
Organic Cotton: Cotton With Nothing to Hide
Grown without synthetic pesticides or fertilizers — better for the soil, the farmers, and the skin it touches. A closer look at the organic cotton at the heart of UTKU. Read more...
Natural from the Inside Out: The Materials We Choose
Natural from the Inside Out: The Materials We Choose
Every garment we make starts with one question: what is this made of? From the fabric itself to the very last button, we work exclusively with natural materials — because... Read more...