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    Spring/Summer 2026 Collection Preview - Now Live

    IH-634D - 17oz Duck Straight Cut Jeans - Brown

    Bottoms
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    • KjeldgaardK
      Kjeldgaard
      Raw and Unwashed
      Joined:

      Hi All
      I hope you, can help me. I need some advice on sizing.
      I have several pairs of Jeans from Iron Heart. All in size 34.
      I am looking at a pair of Iron Heart IH-666D 17oz Duck Jeans. I understand that the canvas material does not have the same stretch as denim. But
      when I compare the measurements it seems that I should not go up one size, but two sizes. So a size 36. What !! Can it really be true? What are your experiences - two sizes ?

      Selected measurements on existing jeans - after stretch are (in cm):
      IH-666 25 oz: W= 89, Thight 31,5, Knee 23
      IH-634 21 oz: W=90, Thight=33, Knee = 24
      IH-666 21 oz: W=91, Thight=31, knee= 23

      Best regards, and a merry Christmas to you all.

      Torben

      Best regards
      Kjeldgaard

      IH-666D
      IH-666S-21
      IH-666 XHSBB
      IH-777-21
      IH-634 -21
      IH-634s-14
      IH-888-21
      IHSH-33-IND
      IHSH-33-BLK
      IHSH 293 OD 18oz
      IHSH-235-OLV
      IHSH-332-SAX
      IHSH-348 GRN
      IHTL-1301 - Black
      IHT-1401-05

      last edited by JackJ 1 Reply Last reply Reply Quote 0
      • JackJ
        Jack
        IHUK Crew
        @Kjeldgaard
        Joined:

        @Kjeldgaard

        Hi, I also wear a size 34 in pretty much all Iron Heart denim, and to be honest that also goes for the duck, yes the fabric doesn't have the same amount as give as denim, but it doesn't warrant a size change for me, I think if you where worried the 34 might not relax out enough for you then give the 35 a go, two sizes up might be to big of a jump...

        last edited by KjeldgaardK 1 Reply Last reply Reply Quote 0
        • KjeldgaardK
          Kjeldgaard
          Raw and Unwashed
          @Jack
          Joined:

          @Jack hi Jack. Very good to know. Ill definitely dont go up two sizes up. So in your experience the are close to TTS.

          Best regards
          Kjeldgaard

          IH-666D
          IH-666S-21
          IH-666 XHSBB
          IH-777-21
          IH-634 -21
          IH-634s-14
          IH-888-21
          IHSH-33-IND
          IHSH-33-BLK
          IHSH 293 OD 18oz
          IHSH-235-OLV
          IHSH-332-SAX
          IHSH-348 GRN
          IHTL-1301 - Black
          IHT-1401-05

          last edited by 1 Reply Last reply Reply Quote 0
          • S
            sabergirl
            見習いボス
            Joined:

            I would say trust the measurements and grab the two sizes up. Tight duck is the worst. Constricting is an understatement.

            last edited by DeeDee85D 1 Reply Last reply Reply Quote 0
            • DeeDee85D
              DeeDee85
              啓蒙家
              @sabergirl
              Joined:

              @sabergirl have to say I agree too.. I went with my usual tag size on my first pair of ducks and they almost cut me in half. On my second pair I went with the waist measurement from my oldest most stretched pair of jeans and they still aren’t the comfiest. Doable but by no means comfy 😂 tight fitting duck is not to be trifled with..

              last edited by DeeDee85 1 Reply Last reply Reply Quote 0
              • ARNCA
                ARNC
                啓蒙家
                Joined:

                @Kjeldgaard definitely trust the measurements if in doubt, but another factor is whether you are squishy or bony where the waistband hits (you don’t have to tell us 🙂 ). FWIW I’ve gone for similar waist measurements on 21oz denim, duck and whipcord and all have worked fine despite different stretch characteristics in the different fabrics.

                Do consider talking to the guys at IHUK when you order. There’s some variation in measurements within a given tag size, so it’s likely they can pick out a pair with near-ideal measurements for you.

                “Every day that you survive you get a free sunset“

                last edited by KjeldgaardK 1 Reply Last reply Reply Quote 0
                • KjeldgaardK
                  Kjeldgaard
                  Raw and Unwashed
                  Joined:

                  Thanks for the input. I am of course very much in doubt. I am used to denim, but I don't know canvas. Will it stretch at all? It makes a difference if it stretches 1-1.5 inches. My measurements immediately fit a 36, ​​but it is two sizes above my normal 34 in both 21 oz and 25 oz denim. I am leaning more towards a 35, which is one up from my normal. I think it would work if there is like 1 inch of stretch. All input will be appreciate. Cheers Torben

                  Best regards
                  Kjeldgaard

                  IH-666D
                  IH-666S-21
                  IH-666 XHSBB
                  IH-777-21
                  IH-634 -21
                  IH-634s-14
                  IH-888-21
                  IHSH-33-IND
                  IHSH-33-BLK
                  IHSH 293 OD 18oz
                  IHSH-235-OLV
                  IHSH-332-SAX
                  IHSH-348 GRN
                  IHTL-1301 - Black
                  IHT-1401-05

                  last edited by 1 Reply Last reply Reply Quote 0
                  • KjeldgaardK
                    Kjeldgaard
                    Raw and Unwashed
                    @ARNC
                    Joined:

                    @ARNC Cheers for the input. I am still completely in doubt. I think. Two up from my normal size is huge.

                    All the best Torben

                    Best regards
                    Kjeldgaard

                    IH-666D
                    IH-666S-21
                    IH-666 XHSBB
                    IH-777-21
                    IH-634 -21
                    IH-634s-14
                    IH-888-21
                    IHSH-33-IND
                    IHSH-33-BLK
                    IHSH 293 OD 18oz
                    IHSH-235-OLV
                    IHSH-332-SAX
                    IHSH-348 GRN
                    IHTL-1301 - Black
                    IHT-1401-05

                    last edited by ARNCA 1 Reply Last reply Reply Quote 0
                    • S
                      sabergirl
                      見習いボス
                      Joined:

                      There is NO STRETCH. None. Zilch. Zero

                      last edited by 1 Reply Last reply Reply Quote 2
                      • GilesG
                        Giles
                        IHUK Crew
                        Joined:

                        It is not 2 up from your normal size, it is 2 up from the tag size, that is a something completely different....Trust the measurements.

                        You will possibly get a little stretch with wear. I never do with canvas or any other plain weave, which is one of the reasons sails used to be made out of canvas, stretch is bad in what is basically a well designed wing.

                        Others claim to get stretch, i think it is highly unlikley that they get anything significant.

                        "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 2
                        • Y
                          yannis
                          Haraki san Expert
                          Joined:

                          Do NOT worry about Tag size. Its irrelevant. Measurements is what matters.

                          last edited by 1 Reply Last reply Reply Quote 0
                          • ARNCA
                            ARNC
                            啓蒙家
                            @Kjeldgaard
                            Joined:

                            @Kjeldgaard definitely no stretch. It all comes down to measurements and how you want it to fit (I guess you’ve got that already).

                            “Every day that you survive you get a free sunset“

                            last edited by 1 Reply Last reply Reply Quote 1
                            • KjeldgaardK
                              Kjeldgaard
                              Raw and Unwashed
                              Joined:

                              Thanks for the input. Measured my existing jeans and ordered from Rivet & Hide — they had a IH-666D in size 36 in stock.Followed your advice and went by measurements rather than tag size. Fingers crossed on the fit 🫰

                              Happy New Year everyone 🎉

                              Best regards
                              Kjeldgaard

                              IH-666D
                              IH-666S-21
                              IH-666 XHSBB
                              IH-777-21
                              IH-634 -21
                              IH-634s-14
                              IH-888-21
                              IHSH-33-IND
                              IHSH-33-BLK
                              IHSH 293 OD 18oz
                              IHSH-235-OLV
                              IHSH-332-SAX
                              IHSH-348 GRN
                              IHTL-1301 - Black
                              IHT-1401-05

                              last edited by 1 Reply Last reply Reply Quote 0
                              • F
                                fredou80
                                Raw and Unwashed
                                Joined:

                                Love these! Bring them in other colour, like the green duck canvas hunting vest. 🙂

                                last edited by 1 Reply Last reply Reply Quote 0
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