Samurai 17oz Denim Helmet Bag

Size Guide

If you’re gonna make a trip, you need a sturdy bag like this!

Unlike many vintage helmet bags, Samurai have recreated the design into a seriously functional and easy to use bag. The twin front pockets are secured by iron snaps and are great for storing your belongings you need quick access to!

With a large internal compartment there’s plenty of room.for your helmet… or other gear. There’s also a flannel pocket compartment to keep your delicate items safe and secure.  Also, on the backside, in true Samurai style, there’s a special edition upside down A, red tab.

For added comfort, the adjustable shoulder strap is padded with extra comfy mesh. No matter where you’re headed, you’re shoulders are gonna be feeling good!

After longtime usage, the indigo dyed denim and vegetable tanned detailing will age to a beautiful, vintage look with some nice high contrast fades! 

  • 100% Cotton
  • Japanese 17oz blood color selvage ID denim
  • Grand indigo dyed
  • One large medium weight flannel lined internal compartment
  • Two front large pockets
  • Two hidden functional compartments 
  • "Upside Down A" Red tab
  • Adjustable shoulder strap with comfy mesh
  • Once washed(minimal shrinkage)
  • Made In Japan
  • Size: L 44cm X H 41cm  X D 13cm 

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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.