Iron Heart
122J-IND - Work Jacket - 14oz Broken Twill Selvedge Denim Indigo
122J-IND - Work Jacket - 14oz Broken Twill Selvedge Denim Indigo
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Description
The Iron Heart IHJ-122-IND Work Jacket is an improved, modern version of the workwear original and serves as a heritage statement piece produced from a 14 oz. medium weight, sanforized and once washed Broken Twill Selvedge Denim from Kojima, Japan. Inspired by workwear mechanics jackets from the 1950's-60's, the Work Jacket features a tailored silhouette that allows for movement with a longer body to fall well below the belt line for modern-styled grit. A new fabric within the Iron Heart collection, this 100% Cotton broken twill denim is a non-directional weave achieved by vintage shuttle looming that creates a zig-zag pattern and allows for greater flexibility and give. Produced with the signature dual twisted weft yarn method to add structure and a slub texture, this 14 oz. denim yields a unique and dutiful heritage style piece. Featuring a rope dyed indigo warp and a natural colored weft and core yarns, this piece will evolve into dark shades of blue with contrasting warm fade patterns. Created to be a functional outerwear piece from spring through fall, the Work Jacket features snapped flap patch chest pockets, welted D-stitched slash front hand pockets with twill lining, a two-way zipped front placket with an interior selvedge line, adjustable copper snapped cuffs and hem, and is finished with internal felled seams and chainstitched construction throughout. Over-engineered to start, the 122J Work Jacket will deliver a lifetime of durability in an unmistakable design that's packed with over-the-top details. Strike a perfected balance between reproduction and evolved interpretation, this year-round go-to is a style staple that's ready for the workshop or sidewalk.
Specs
- Standard Fit
- 14 oz. Japanese Broken Twill Mid Tension Selvedge Denim
- Proprietary Fabric
- Sanforized - Once Washed
- Red Selvedge Line
- Non-Directional Weave
- Indigo Dyed Warp & Natural Weft
- 100% Cotton
- Unlined
- Zipped Closure
- Point Collar
- Set-in Sleeves
- Snapped Flap Patch Chest Pockets
- Welt D-Stitched Hand Pockets w/ Twill Lining
- Interior Placket Selvedge Line
- Snapped Adjustable Cuffs
- Snapped Back Tab Adjustable Hem
- YKK Two-way Matte Nickel Zipper w/ Natural Leather Pull
- Copper Snaps
- Felled Seams
- Chainstitched Construction
- Bartack Reinforced
- Made in Japan
Sizing
Model Measurements: 6'2" | 175 lbs. | 41" Chest | 32" Waist - Wearing Size L
Iron Heart Outerwear sizing is graded in small increments. The 122J-IND runs on the small side of Iron Heart sizing. This piece is made with sanforized denim and has been once washed to remove most shrinkage. With regular use, one can expect up to .5-1” of stretch in the chest (Circumference) over the long term. Consider going with your common or the larger of your size range in Iron Heart.
Our Method of measuring is different than Iron Heart’s and we recommend consulting our Sizing Guide when purchasing. We provide garment-specific measurements taken in-house, per Our Method, that are not duplicated across fabric or colorways and are re-measured each production run. Please feel free to Contact Us for additional assistance.
Iron Heart 122J-IND - Work Jacket - 14oz Broken Twill Selvedge Denim Indigo

Iron Heart 122J-IND - Work Jacket - 14oz Broken Twill Selvedge Denim Indigo
Specs
- Standard Fit
- 14 oz. Japanese Broken Twill Mid Tension Selvedge Denim
- Proprietary Fabric
- Sanforized - Once Washed
- Red Selvedge Line
- Non-Directional Weave
- Indigo Dyed Warp & Natural Weft
- 100% Cotton
- Unlined
- Zipped Closure
- Point Collar
- Set-in Sleeves
- Snapped Flap Patch Chest Pockets
- Welt D-Stitched Hand Pockets w/ Twill Lining
- Interior Placket Selvedge Line
- Snapped Adjustable Cuffs
- Snapped Back Tab Adjustable Hem
- YKK Two-way Matte Nickel Zipper w/ Natural Leather Pull
- Copper Snaps
- Felled Seams
- Chainstitched Construction
- Bartack Reinforced
- Made in Japan
Sizing
Model Measurements: 6'2" | 175 lbs. | 41" Chest | 32" Waist - Wearing Size L
Iron Heart Outerwear sizing is graded in small increments. The 122J-IND runs on the small side of Iron Heart sizing. This piece is made with sanforized denim and has been once washed to remove most shrinkage. With regular use, one can expect up to .5-1” of stretch in the chest (Circumference) over the long term. Consider going with your common or the larger of your size range in Iron Heart.
Our Method of measuring is different than Iron Heart’s and we recommend consulting our Sizing Guide when purchasing. We provide garment-specific measurements taken in-house, per Our Method, that are not duplicated across fabric or colorways and are re-measured each production run. Please feel free to Contact Us for additional assistance.
Collection: Iron Heart
After 20 years of working in the Japanese garment industry, Shinichi Haraki established Works Inc., a.k.a. Iron Heart, in 2003 as a heavyweight clothing brand initially geared toward Japan’s motorcycling community. Iron Heart creates classic and timeless clothing crafted out of the finest materials and achieves the highest standards by closely working with fabric development, garment manufacturing, and the brand’s cult community. Over the years, Iron Heart has become the definition of bullet-proof garment construction. Staying true to their slogan,...
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