Our Size & Fit Guide

Your repertoire is not complete without a crisp, sharp button-down.

And we understand that a perfect fit is everything.

Checkout the size guide below to find your shirt size.

If you’d prefer more tailored advice, email us your measurements at hey@mrkoya.com & we can make a recommendation.

Slim Fit

All of our shirts are what industry calls a Slim Fit.

They’re designed to be fitted through the chest & waist.

If you typically buy Regular Fit shirts, you’ll want to take a size larger in ours.

Shirt measurements

Measuring Guide

Compare our shirt measurements to a similar shirt you already own.

It's best to take all measurements when your shirt is lying flat. 


Unbutton the shirt and measure the length from button to buttonhole.

Shoulder Width

The distance between the shoulder seams measured straight across the back.

Back Length

The distance between the base of the back of the collar to the hem.

Chest Circumference

The distance between each of the underarm seems (when the shirt is laid flat with buttons fastened) multiplied by 2. 

Sleeve Length

The distance between the shoulder seam to the end of the cuff. 

Tailored Advice

We love talking about shirts so hit us up with any questions you've got at hey@mrkoya.com

And remember, online shopping is all about trying items on in the comfort of your home. If the fit isn't right, we'll happily organise your exchange or return. 

Now for the shirts themselves...

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