Momotaro 16oz GTB “Seaman" Denim Jacket

April 10, 2019

Momotaro 16oz GTB “Seaman

Call this one ‘Going to Beach’!

Inspired by vintage United States Naval uniforms, this style is a classic look for fans of USN style. Momotaro have brought this original design to a modern standard. With riveted pockets and denim jacket style cuffs, this is mixture of classic denim details and naval wear.

In a once washed denim, this one is already super soft and ready to go! Enjoy the high contrast ageing with time, you’ll see the irregular vertical texture become enhanced.

The sought after ‘Going to battle’ stripes on the sleeves will only get better with time. If you’re after a quality denim jacket, this is a great choice and in a unique style!

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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.