Samurai 15oz Indigo Duck Sack Jacket

Size Guide

A remastered classic with the high standards of SAMURAI!

Inspired from workwear gears of the past, this style of jacket has been modernised with a nicely balanced lapel and elegant, large sized buttons.

Each iron coated button has been skilfully built to be adjustable for your own customisation.

The contrasting stitching gives off a modern vibe inspired by the past. With angular re-inforcement stitching, single chest pocket and large waist pockets, there’s plenty of space for your daily items!

Enjoy the high contrast ageing with time as the indigo dyed threads age to a lighter shade. We guarantee you will be impressed with Samurai’s high standard indigo ageing!


  • 100% Cotton
  • Japanese 15oz selvage duck canvas
  • Grand indigo is yarn dyed
  • Left chest pocket
  • Twin waist pockets
  • Iron buttons
  • Once washed (minimal shrinkage)
  • Tailored 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.