What does 340gsm mean?

What does 340gsm actually mean in a hoodie? We break down fabric weight, durability, and why heavier cotton matters if you want clothes that last.

Close-up macro of 340gsm organic cotton hoodie fabric showing dense weave and structure.

Close-up macro of 340gsm organic cotton hoodie fabric showing dense weave and structure, featuring Lilith’s Corsage.

GSM stands for grams per meter. It’s a measure of fabric weight.
The higher the number, the denser and heavier the fabric.

Is higher GSM better?

Not always. If you wore a 340gsm t-shirt in summer, you would melt.

Durability isn’t just about weight. It’s about construction, fibre quality, and how a garment is put together. But weight matters

Why 340gsm?

340gsm sits at the heavy end of everyday wear. It resists thinning at stress points, it holds its shape, it feels structured, it survives life and washing cycles.

Our 340gsm hoodies and sweaters are made from 50% recycled organic cotton and 50% organic cotton. Recycled cotton reduces waste input; organic cotton reduces chemical load.

Sustainability without durability is theatre.

Whether it’s a day-old button up that’s buttons have come off, or a sweater twists and thins and is unusable in 6 months, circularity doesn’t matter. Longevity comes first.

Why doesn’t everyone talk about gsm?

You don’t really need to. If something feels good enough, that’s usually enough. I care because everything in my cupboard that has been made with consideration, particularly organic cotton, I still have, so many decades later. A sweater that is as good now, as it was in 2012.

I want my clothes to live with me.

Like finding something at the back of a cupboard years later and it still feels epic.
We can do better than garments that fade or break after one wash.

It matters.

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The Story Behind Our Art: Building the Mongrel Logic™ Universe

Some of the artwork in our Core range was first drawn in the 90s. This is how old sketches evolve into sustainable streetwear and how the Mongrel Logic™ universe builds from the archive outward.

Close-up macro photograph of black embroidery stitched into heavy black cotton fabric, showing raised thread texture and dense weave detail.

Original lines, translated into thread. The archive, made tangible.

Mongrel Logic didn’t begin as a product line. It began with drawings.

Some of the artwork in our Core range was drawn in the 90’s and early 2000s. Long before hoodies and brands. In fact, what kicked this all off was drawing the embroidery for our Signature cap, more on that another day.

Flaws are as important as perfection.

Keeping the art close to its original form matters, not polishing away the awkwardness, not correcting every detail. Letting the lines stay human. Time will tell if the idea is sound or not. Re-working drawings without erasing where they came from, and building them a future, has been one of the most satisfying parts of all of this.

We are ‘the’ weirdos, mister.

I’m not apologising for it. Art has informed everything from the design of the first cap to the current development of the designer range. Testing art on textiles is the most fun I’ve had in years. Watching something once trapped in a notebook move into fabric feels like unlocking a small universe.

Art is the foundation. Form is the future.

Using my antique, vintage, almost cave-era drawings gives us a clear starting point. Not everyone understands the purple weird monster immediately, that’s fine. It’s supposed to be fun. It’s supposed to feel slightly unfamiliar. It isn’t made for everyone.

Serious comes next.

Right now, it lives simply. A sweater. A graphic. A familiar softness. I put on my own Logic Descends sweatshirt and feel the soft fabric settle. The drawing sits there quietly, carrying two decades of history with it.

This is how the universe builds.

From the archive outward. From the monsters under my bed, to the fabric you can’t say no to.

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Testing organic growth, not just organic cotton.

What does it mean to test organic growth properly? No shortcuts. No boosts. Starting from zero and building a sustainable streetwear system deliberately.

A Dirty hand shown gently nudging marbles into place on a rough asphalt road surface, close-up in daylight.

Close-up photograph of my dirt-covered hand placing small marbles on asphalt, symbolising starting from zero and organic growth.

Part of my early strategy is to test organic growth. Our small social accounts have only just found their full vocabulary, and testing has started.

Instagram stats are not a healthy place to live in.

Don’t get me wrong, it’s fun. I’m up for the challenge. But, playing a medium-to-long-term game while looking at daily stats is a bit like watching an hourglass fill, one grain of sand at a time. That part is dull as anything. Luckily, not tied to my personal sense of power or validation, but absolutely tied to planning and upcoming projects.

A Game of Follows.

Sorry…couldn’t help myself. Why am I being such a dick about doing it the hard way? Well, I can’t fully test the financial sustainability of the system without starting with zero.  It’s a lot to explain in a short blog, but part of what I am testing is the zero-start-up (or near zero, let’s face it) cost philosophy as well. But I did start the blog, before all of this was born, with nothing. Free documents, free versions, free everything.

How am I avoiding burnout?

I’ve planned. Most of the end of 2025 was spent documenting, taking pictures of our prints and garments in real life. I have endless content to use; the hard part is putting it together in a way that is legible.

I’m not so good with patience.

I wish there were another two of me. But we’d need to be able to tell each other apart so one of them is a cyclops and the other has snakes for hair. Read into that, what you will. I just mean sheer workload and ability to make time to be able to separate myself from it for long enough to have a good idea. That’s tough.

Speaking of good ideas.

I’m currently working on the latest design. I’ve been recording some of the process, not sure what I’ll share yet, but, fuck ja, if organic growth and slogging sounds familiar to you then join me why don’t you?  

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