21oz Non-Fade Denim Straight Cut Jeans - Superblack

Our classic straight cut jean made from super-heavy 21oz non-selvedge superblack denim. This denim is specially created not to fade - if you like black denim, this is about as good as it gets.

  • Made in Japan
  • Classic straight cut
  • Medium rise
  • 21oz black warp/black weft Japanese denim
  • Non-selvedge
  • Zipper fly
  • Poly/cotton constructional stitching
  • Sanforized and one-washed - little to no shrinkage to be expected
  • The waist will stretch out approximately one inch with wear
  • Other dimensions under pressure will stretch proportionately to the waist
  • Model Graham wears tag 33, Giles wears tag 34
  • Worn with Iron Heart Int'l x Wesco® Foot Patrol
  • Need a shorter length? You will be prompted on checkout to order hemming if required

See discussed in Iron Heart Forum

All measurements are specific to this product. The best way to determine the size you need is to find a similar item that fits you well, then measure the same way we do (see "How We Measure" tab) and compare with the measurements on the table below. Actual measurements for the same Iron Heart item/tag size can vary somewhat so if a specific dimension is important to you (for example arm length) please ask us to check this before we ship by adding a note to your order. Measurements for raw denim garments are pre-soak (allowance must be made for shrinkage).


Tag Size28293031323334
Front Rise10.727.210.927.711.128.211.429.011.729.711.930.212.030.5
Rear Rise13.634.514.135.814.436.614.436.614.837.614.937.815.038.1
You may need to move the above table left or right to see more sizes.


Tag Size363840
Front Rise12.431.512.531.812.732.3
Rear Rise15.539.415.639.615.739.9
You may need to move the above table left or right to see more sizes.

Click for Hemming Service

Superblack 21oz Denim - Face

- Sanforized

- Right hand twill

- Black reactive dyed weft, black reactive dyed warp

- This denim is designed not to fade.  In fact you can wash a white t-shirt at the same time as a pair of jeans made out of this denim with impunity.

Superblack 21oz Denim - Reverse

Waist / Quantity in stock


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