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    Iron Heart Fall/Winter 2025 Collection Preview - Now Live

    IH-634Z - 21oz Denim Straight Cut Jeans - Indigo

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    • ChrisC
      Chris
      Raw and Unwashed
      Joined:

      21 oz breathes really well. I wear the 634S in Houston summers. Actually, they're my most comfortable summer jeans, now that I'm thinking about it.

      last edited by 1 Reply Last reply Reply Quote 0
      • emceeQE
        emceeQ
        啓蒙家
        Joined:

        I work in a very hot and humid environment in both the selvedge and non selvedge 21oz.  Both are go to summer denims for me…

        last edited by 1 Reply Last reply Reply Quote 0
        • GilesG
          Giles
          IHUK Crew
          Joined:

          The 21oz non selvedge is very different from the 21oz selvedge.  It is designed not to breathe so well or should I say, designed to be wind proof…..

          "OK face up to it - you're useless but generally pretty honest and straightforward . . . it's a rare combination of qualities that I have come to admire in you" - Geo 2011

          last edited by 1 Reply Last reply Reply Quote 0
          • D
            davito
            Joined:

            Very nice with the talon zip, like this

            Cheers,
            David

            last edited by 1 Reply Last reply Reply Quote 0
            • RawdadR
              Rawdad
              Joined:

              @Giles:

              The 21oz non selvedge is very different from the 21oz selvedge.  It is designed not to breathe so well or should I say, designed to be wind proof…..

              Sounds like a good riding denim. May consider it in the fall.

              last edited by 1 Reply Last reply Reply Quote 0
              • GilesG
                Giles
                IHUK Crew
                Joined:

                This denim was specifically designed by @Haraki-san for riding.

                "OK face up to it - you're useless but generally pretty honest and straightforward . . . it's a rare combination of qualities that I have come to admire in you" - Geo 2011

                last edited by 1 Reply Last reply Reply Quote 0
                • henry_davidH
                  henry_david
                  Joined:

                  @giles why the desire to move away from button fly with the 634? I'm so used to seeing that that when I see a zippered pair of jeans I'm like 'what's that' haha

                  last edited by 1 Reply Last reply Reply Quote 0
                  • GilesG
                    Giles
                    IHUK Crew
                    Joined:

                    In Japan bikers on the whole prefer zips.

                    "OK face up to it - you're useless but generally pretty honest and straightforward . . . it's a rare combination of qualities that I have come to admire in you" - Geo 2011

                    last edited by 1 Reply Last reply Reply Quote 0
                    • henry_davidH
                      henry_david
                      Joined:

                      @Giles:

                      In Japan bikers on the whole prefer zips.

                      Ah okay interesting.. Used to hate button fly myself then buying the denim I like necessitated that and getting used to numb thumbs whilst breaking in the denim..  😉

                      last edited by 1 Reply Last reply Reply Quote 0
                      • GilesG
                        Giles
                        IHUK Crew
                        Joined:

                        Restocked….

                        "OK face up to it - you're useless but generally pretty honest and straightforward . . . it's a rare combination of qualities that I have come to admire in you" - Geo 2011

                        last edited by 1 Reply Last reply Reply Quote 0
                        • ROmanR
                          ROman
                          Haraki san Prodigy
                          Joined:

                          Any chance of getting a longer inseam on these.

                          last edited by 1 Reply Last reply Reply Quote 0
                          • GilesG
                            Giles
                            IHUK Crew
                            Joined:

                            I'm afraid not @ROman - these are a Japanese initiated model ,so they tend to come shorter than I would normally spec….

                            "OK face up to it - you're useless but generally pretty honest and straightforward . . . it's a rare combination of qualities that I have come to admire in you" - Geo 2011

                            last edited by 1 Reply Last reply Reply Quote 0
                            • ROmanR
                              ROman
                              Haraki san Prodigy
                              Joined:

                              OK, thank you Giles.

                              last edited by 1 Reply Last reply Reply Quote 0
                              • GilesG
                                Giles
                                IHUK Crew
                                Joined:

                                Restocked…

                                "OK face up to it - you're useless but generally pretty honest and straightforward . . . it's a rare combination of qualities that I have come to admire in you" - Geo 2011

                                last edited by 1 Reply Last reply Reply Quote 0
                                • GrahamG
                                  Graham
                                  IHUK Crew
                                  Joined:

                                  RESTOCK

                                  @gmac_ironheart
                                  🤘

                                  last edited by 1 Reply Last reply Reply Quote 0
                                  • C
                                    cherniy
                                    Raw and Unwashed
                                    Joined:

                                    Not a very popular model given this is the only thread that came up here after my search 🙂

                                    I recently picked these up to get a cheaper-test of 634 fit. Maybe I also over indexed on

                                    @Giles said in IH-634Z - 21oz Denim Straight Cut Jeans - Indigo:

                                    The 21oz non selvedge is very different from the 21oz selvedge.  It is designed not to breathe so well or should I say, designed to be wind proof…..

                                    but this lead me to get a 634S as well.

                                    last edited by 1 Reply Last reply Reply Quote 0
                                    • GilesG
                                      Giles
                                      IHUK Crew
                                      Joined:

                                      https://www.ironheart.co.uk/forum//post/799509

                                      "OK face up to it - you're useless but generally pretty honest and straightforward . . . it's a rare combination of qualities that I have come to admire in you" - Geo 2011

                                      last edited by 1 Reply Last reply Reply Quote 1
                                      • C
                                        christjazz1
                                        Raw and Unwashed
                                        Joined:

                                        I recently visited Osaka and went on a denim hunt, but I'm always looking for a deal which resulted in me picking up a pair of IH-634Z from Hinoya, which lead to a lot of soul searching wondering if I should have bought 634S instead(anything on the denim?). I did watch videos on Japanese denim(mostly Osaka Five) before heading to Japan which raised my curiosity in Iron Heart 21oz. My denim interests has always been motivated by vintage 1930s-1940s style clothing which resulted in my purchasing mostly Levis Vintage Collection jeans(1901, 1933 and 1944[purchased in Tokyo a few years back]). I visited denim shops in reference to my hotel, Wrangler, Studio D'Artisan, The Real McCoy's, Momotaro and one final that I don't remember the store but it had a massive door facing a park and a grouch guy working.
                                        -I almost sold my IH-634Z to purchase IH-634S until I tried them on again and love them.
                                        -Why was the IH-634Z created and why are they not spoken of as if they don't exist? I found one guy on YouTube mention them a few years back but a mystery otherwise
                                        -I can't find much on the denim or anything for that matter.
                                        Thanks,
                                        Mike from California

                                        last edited by 1 Reply Last reply Reply Quote 0
                                        • GilesG
                                          Giles
                                          IHUK Crew
                                          Joined:

                                          It's a long story. But basically the non selvedge jeans sell very poorly outside of Japan. We sold them for a while, but demand was so small we gave up. They are still made and sold in Japan, but it is pointless us stocking something that hardly anyone buys.

                                          Arguably the cut of the Z is better than the S because we are not constrained by having a straight out seam (to retain the selvedge ID), but the 21oz non selvedge denim does not have as much character as the selvedge equivalent.

                                          As to why were they created, the Japanese bikers don't really give a toss whether their jeans are selvedge or not, so we offered them as a cheaper alternative to the selvedge version. They lack some of the features of the selvedge jeans (no hidden rivets for instance).

                                          "OK face up to it - you're useless but generally pretty honest and straightforward . . . it's a rare combination of qualities that I have come to admire in you" - Geo 2011

                                          last edited by Giles 1 Reply Last reply Reply Quote 2
                                          • S
                                            sabergirl
                                            見習いボス
                                            Joined:

                                            FWIW I find the zipper fly on my 9555z makes the fly “sit” the best of any of my IH pants. Some day I will seek out a pair of 634z for that reason.

                                            last edited by 1 Reply Last reply Reply Quote 0
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