Maths & Metrics Collection

From a distance, this this collection looks like classic varsity sportswear. But up close, those in the know will instantly clock the fermenters metrics!

Made to order for less waste and more intention.
Fast delivery. Easy 30-day returns.

SPECIAL OFFER: Buy ANY 2 products and get FREE shipping

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Let customers speak for us

from 14 reviews
Love it

I love my fermentation shirts! They arrived in a timely manner, and the fit is as advertised. (I used the size chart). I would definitely order from them again

Molly Sharp
Krazy Kraut Lady T-Shirt
Such a cute design

Such a cute design, and great peoducr

Barbz
Kimchi Typography T-Shirt
I love the shirt because it fit me perfect

I love the shirt because it fit me perfect. Most of the time I can buy a 3X shirt and they have not been pre-washed or pre-shrunk and they are too tight across my breast. This is a relaxed fit, pre-shrunk shirt and good quality.

Heather Jensen
2nd Favorite F-Word T-Shirt
This shirt runs true to unisex size and it's super soft and comfortable

This shirt runs true to unisex size and it's super soft and comfortable. I just love it!

Lisa G in San Diego
Salty AF Always Fermenting T-Shirt
I love my shirt so much - great fit and feel

I love my shirt so much - great fit and feel. So many folks ask me where I got it!

Jenny GG
2nd Favorite F-Word T-Shirt
Love

Love it!

Anonymous
IYKYK Fermenter's T-Shirt

So cute!!! Love it!

Ellen Nam
Kimchi Cat T-Shirt
KIMCHI T - Right on Time

Although I have not worn it yet I am excited to do so. Better material than I expected. I would certainly order again.

Joseph Maggio
Kimchi Typography T-Shirt
Soooooo cute!

I love it! I want more of their tshirts now.

Jennifer Cummings
Just A Girl Who Loves Kimchi T-Shirt

Great T❤️

Jeisook Thayer
If It Doesn't Come With Kimchi, I Ain't Eating It T-Shirt
Great customer service

My shirt was too small but you guys took care of it!!! Great customer service!! Will buy again for sure!

Ray Trom
Kimchi Typography T-Shirt
Great customer service

Responsive and helpful

Kevin Sousa
Sauerkraut typography design unisex T-Shirt

Fantastic

Alton
Born to Ferment T-Shirt

Great!

Karen Goldstein
King of Kefir T-Shirt