Blue Blue Japan 9oz Indigo Back Satin Utility Shirt

Size Guide

This is the combination of workwear heritage and the elegance of the endless shades of indigo.

Created with a simplistic and balanced pattern, this shirt works perfectly in casual or formal ‘Indigo’ occasions!

Using a grand indigo dying process, the cotton twill ‘Back Satin’ fabric has silky smooth feeling. This feels great against the skin and will only get better with time. The indigo will age gradually to a light contrast, well loved look.

If you’re a fan of the beauty of simplistic indigo garments, this is the perfect choice for any season.

  • 100% Cotton
  • Japanese 9oz back satin cotton twill
  • Grand indigo dyed
  • Twin chest pockets
  • Urea buttons
  • Slim fit
  • Once washed (minimal shrinkage)
  • Made In Japan

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How We Measure

Pants and Shorts


With the major buttoned up open the jeans and lay them flat like shown. Measure from the front where the major button closes to the back belt loop. Then double this measurement to achieve the waist measurement.

The way we measure is different from 'Side to Side', If you are not used to our method you should downsize by 1 inch.

For example, side to side measurement for The Flat Head 3002 waist is 28inch and using our method 29.25 inch.

Front Rise:

With the jeans lying flat measure from the crotch bar tack to the top of the waistband. 

Back Rise:

Spread out the crotch so the bar tack is visible, then measure from the crotch to the top of the waistband.


One inch down from the crotch measure flat across to the other side.


Flatten the leg and measure along the inseam from the crotch to the leg hem. 

Leg Openning:

Measure straight across the hem from side to side.



Lay flat then measure from the shoulder's edge to the other shoulder's edge.


Lay shirt flat and measure from pit to pit.

Sleeve length:

With the sleeve flat measure from the shoulder to the cuff.

Arm hole openning:

Measure from the shoulder down to the pitt.

Vertical length:

With the shirt facing down, Measure from below the collar to the bottom hem.