Japan Blue J201 'Circle' 14.8oz Denim (Slim Tapered Fit)

Size Guide
The improved fit JB denim are back and now in 14.8oz!

Now made with their signature 14.8oz denim, it features a soft texture with subtle areas of slub that make up for beautiful classic denim for all year use!

These come with a newly developed curved waist section for a better fit around your body!

With time, expect to see some high contrast fading with a subtle vertical texture revealing itself. The full-grain cowhide patch will also gain a unique, dark tan patina.

For your comfort, JB has made these with brass zips and a once washed fabric!

  • 100% American cotton
  • Japanese14.8oz red ID selvage denim
  • Grand indigo dyed
  • Copper zipper fly
  • Turquoise inseam stitching
  • Once washed (minimal shrinkage)
  • Mid rise/ Slim Tapered fit
  • 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.