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Iron Heart

Iron Heart 21oz 634s Black Overdyed - Classic Straight


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Iron Hearts 21oz flagship selvedge denim on their signature 634 jeans cut in a black overdyed version – can it get any better?  The super heavy 21oz denim has been overdyed in black, the result is one of the most fascinating denim experiences out there. Iron Heart used a pigment dying technique, that will create a unique deep colored-fading spectrum, from black to indigo. These kind of fading patterns are known as “Atari”-fades in Japan. Please expect a lot wearing these Jeans! 

  • Iron Heart 634s-B Overdyed
  • Classic Straight/Medium High Rise
  • 21oz Japanese Selvedge Denim
  • Black Garment Dyed (Pigment Dye)
  • 3x1 Right Hand Twill
  • Durable Poly/Cotton Yarn Construction
  • Original 634 Super Thick Leather Patch
  • Made in Japan

    Model: Jürgen is 188cm tall, weighs 85kg and wears a size 34.

    These Jeans run quite SMALL, please SIZE UP!
    Nonetheless tight is right, please keep in mind that the waist will stretch with wear.

    Not sure about your size?

    Find our measurement chart below (Fitting Guide) and see how we measure. 
    Still not sure? Give us a call on 089/242 92 351 or write us an email at

    Measurements in cm.  31 32 33 34 36 38
    Waist 40,5 41 42 43 45,5 47
    Front Rise 26 26,5 27 28 28,5 29,5
    Back Rise 38,5 39 39,5 40 41 42
    Inseam 89 89 89 89 89 89
    Leg Opening 21 21,5 22,5 23 23,5 24,5