{"product_id":"ih-634s-uhr","title":"21\/23oz Ultra Heavy Raw Selvedge Denim Straight Cut Jeans IH-634S-UHR - Indigo","description":"\u003cp\u003eThe Iron Heart IH-634S-UHR in 21\/23oz Japanese selvedge denim in indigo is available at Rugged Gentlemen Shoppe with fast local shipping and easy returns. Iron Heart produces limited runs of each model, and popular sizes are often difficult to find. If your size is available, you can secure it here while stock lasts.\u003c\/p\u003e\n\u003cp\u003eOur classic straight-cut jeans constructed from our 21\/23oz UHR denim. UHR is an acronym for “Ultra Heavy Raw”, an unsanforised and loomstate fabric, UHR denim fabric starts at 21oz, and becomes (approximately) 23oz after shrinkage. The UHR enjoys virtually legendary status amongst aficionados and fans of the brand, due to its fading potential, and the density of the weave.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOur Fit Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 634 is Iron Heart’s classic straight cut, offering a mid rise and an even fit through the leg. It provides more room than the 555 and 666, making it a reliable reference point for those new to the brand.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOur Fabric Notes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIron Heart’s 21\/23oz Ultra Heavy Raw (UHR) denim is one of the brand’s most demanding fabrics. Woven as an unsanforized, loomstate selvedge denim, it begins at 21oz in its raw state and becomes approximately 23oz after the first wash and shrink.\u003cbr\u003eThe fabric is extremely dense and rigid when new, requiring a significant break-in period. Initially, it can feel very stiff, but with consistent wear it softens and develops pronounced, high-contrast fading. Due to its unsanforized nature, the denim will shrink after washing, allowing the wearer to achieve a more personalised fit over time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho This Is For\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBest suited for experienced raw denim wearers or those specifically looking for a true shrink-to-fit experience. This fabric appeals to enthusiasts who appreciate heavyweight denim and are willing to invest time into the break-in process for long-term character and durability. For those who prefer a traditional straight-leg fit and a balanced, all-around silhouette.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMade In Japan\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned by Shinichi Haraki, handmade by WORKS INC. in Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e634 Straight Cut\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTraditional straight cut, inspired by the 1966 Levi’s 501\u003c\/li\u003e\n\u003cli\u003eMedium Rise\u003c\/li\u003e\n\u003cli\u003eStraight leg profile with a slight taper from knee to hem\u003c\/li\u003e\n\u003cli\u003eWider leg opening to accommodate most types of boots and footwear\u003c\/li\u003e\n\u003cli\u003eClassic 5-pocket design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e21\/23oz Ultra Heavy Raw Japanese Selvedge Denim\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e100% cotton\u003c\/li\u003e\n\u003cli\u003eWoven with a double twisted weft yarn\u003c\/li\u003e\n\u003cli\u003eIndigo rope-dyed warp\/ white weft\u003c\/li\u003e\n\u003cli\u003eRight-hand twill weave\u003c\/li\u003e\n\u003cli\u003eThis denim will fade naturally through wear and washing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHardware \u0026amp; Construction\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTraditional 3-button fly\u003c\/li\u003e\n\u003cli\u003eIron Heart branded tack button at waistband\u003c\/li\u003e\n\u003cli\u003eWorks Inc branded pocket rivets\u003c\/li\u003e\n\u003cli\u003eHidden rivets on rear pockets\u003c\/li\u003e\n\u003cli\u003ePoly\/cotton stitching for increased strength\u003c\/li\u003e\n\u003cli\u003eSingle and double needle chain stitch construction\u003c\/li\u003e\n\u003cli\u003eBelt loops anchored at three points and sewn into the waistband\u003c\/li\u003e\n\u003cli\u003eHeavy cotton pocket bags and lined rear pockets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSelvedge ID\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSideseam, fly, and coin pocket selvedge ID\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eLeather Patch\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHeavyweight vegetable-tanned steerhide\u003c\/li\u003e\n\u003cli\u003eNatural finish\u003c\/li\u003e\n\u003cli\u003eBelt-through design\u003c\/li\u003e\n\u003cli\u003eDebossed Iron Heart graphic\u003c\/li\u003e\n\u003cli\u003ePlease note: Continued washing (especially at higher temperatures) may cause shrinkage and deformities\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Details (Iron Heart Specification)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThis is a raw, loomstate denim that has not been sanforized. Sanforization is a post-weave mechanical process that removes most potential shrinkage from a fabric before garment construction.\u003c\/li\u003e\n\u003cli\u003eAs this fabric is unsanforized and unwashed, the garment will shrink after soaking or washing. The amount of shrinkage depends on washing conditions, but typically results in reduction across the waist, inseam and overall dimensions.\u003c\/li\u003e\n\u003cli\u003eExpect approximately 1\" shrinkage in the waist and up to 2\" shrinkage on the inseam after an initial soak or wash.\u003c\/li\u003e\n\u003cli\u003ePost-wash, areas under tension such as the waist will gradually stretch with wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCare Guidelines\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWe recommend washing this garment at 30°C with a low (or no) spin cycle. Hang dry, do not tumble dry\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSizing \u0026amp; Shrinkage Notes (Our Advice)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThis model uses unsanforized (loomstate) denim, meaning it has not been pre-shrunk and will reduce in size after its first wash. Because of this, the jeans may feel larger when new but will settle into a closer fit once soaked or washed.\u003c\/li\u003e\n\u003cli\u003eIn practice, most of the shrinkage occurs early, after which the denim will gradually adapt to your body through wear. Some customers choose to allow for this shrinkage when selecting their size, depending on how they prefer the jeans to fit after break-in.\u003c\/li\u003e\n\u003cli\u003eUnsanforized denim behaves differently from standard Iron Heart jeans. If you are used to sanforized models, sizing may require a different approach.\u003c\/li\u003e\n\u003cli\u003eIf you are unsure, we are happy to advise based on the measurements of the pair we have in stock.\u003c\/li\u003e\n\u003cli\u003eNote: For best results, consider your preferred fit after shrinkage rather than the initial raw measurements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurement in inches (before wash)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0045\/5606\/2810\/files\/IH-634S-UHR_600x600.jpg?v=1775725299\" alt=\"\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eFAQs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this authentic Iron Heart?\u003c\/strong\u003e\u003cbr\u003eYes. All products sold by Rugged Gentlemen Shoppe are 100% authentic Iron Heart items sourced from Iron Heart Japan.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is this sold out elsewhere?\u003c\/strong\u003e\u003cbr\u003eIron Heart produces limited quantities and popular sizes sell out quickly on the official site and major retailers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow fast do you ship?\u003c\/strong\u003e\u003cbr\u003eOrders ship from our shop within 24–48 hours (business days).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan you help with sizing?\u003c\/strong\u003e\u003cbr\u003eYes, contact us before ordering and we’ll provide real measurements for the exact pair in stock.\u003c\/p\u003e","brand":"IRONHEART","offers":[{"title":"28","offer_id":45417576267955,"sku":"IH634SUHR28","price":394.0,"currency_code":"USD","in_stock":false},{"title":"29","offer_id":45417576300723,"sku":"IH634SUHR29","price":394.0,"currency_code":"USD","in_stock":false},{"title":"30","offer_id":45417576333491,"sku":"IH634SUHR30","price":394.0,"currency_code":"USD","in_stock":false},{"title":"31","offer_id":45417576366259,"sku":"IH634SUHR31","price":394.0,"currency_code":"USD","in_stock":false},{"title":"32","offer_id":45417576399027,"sku":"IH634SUHR32","price":394.0,"currency_code":"USD","in_stock":false},{"title":"33","offer_id":45417576431795,"sku":"IH634SUHR33","price":394.0,"currency_code":"USD","in_stock":false},{"title":"34","offer_id":45417576464563,"sku":"IH634SUHR34","price":394.0,"currency_code":"USD","in_stock":true},{"title":"35","offer_id":45417576497331,"sku":"IH634SUHR35","price":394.0,"currency_code":"USD","in_stock":false},{"title":"36","offer_id":45417576530099,"sku":"IH634SUHR36","price":394.0,"currency_code":"USD","in_stock":false},{"title":"38","offer_id":45417576562867,"sku":"IH634SUHR38","price":394.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0045\/5606\/2810\/files\/iron-heart-IH-634S-UHR-21-23oz-indigo-jeans-rugged-gentlemen_22.jpg?v=1775725342","url":"https:\/\/ruggedgentlemenshoppe.com\/ms\/products\/ih-634s-uhr","provider":"Rugged Gentlemen Shoppe","version":"1.0","type":"link"}