SPI in garment manufacturing.

Recently, I have been spending too much time in our production unit, and trying to learn the new terminologies in garment manufacturing. I think, it is time for us to move to learning about enhanced concepts like SPI in garment manufacturing!

I recently sent a t shirt sample to one of my friends who wants to start a t shirt brand.

He received parcels from other manufacturers too.
He had a good checklist in place. He has previously read my post on GSM : “What is GSM” and on Pantone colors “What are Pantone colors“. He even knew what Biowash was!

When he received many samples he asked me “Hey Akshay, I have so many t shirts with me, how do I know whose stitching is better?”

Stitching is the most important factor to consider, when you consider the strength of the garment.

But how should we calculate this?

The answer my friends, is SPI.

SPI, means stitch per inch in garment manufacturing. It essentially decides the strength of our garment.

It’s calculation is simple. How many stitches does your garment have per inch? More the number, the better.

For regular t shirts on CustomBaba, we use 10 to 11 SPI. That means, essentially there are ten to eleven stitches per inch in the t shirt. The same goes for our custom hoodies!
I asked our sampling master, what is the highest limit and the answer I got was 13!

Higher the SPI, more difficult it is to manufacture garments as it would take more time on the machine. Ideally the production drops by ten percent for every 2.5 reduction in SPI.

So, remember next time you decide to start a fashion brand, ask what is the SPI of the garments manufactured from your manufacturer.

It will make you look more professional and also allow you to make better decisions regarding your business.

That would be all for today, hope you liked this post on SPI in garment manufacturing!

Also read: Ordering custom t shirts and hoodies, remember these ten points

 

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