Iron Heart
379-GRN - Work Shirt - 12oz Ultra Heavy Flannel Ombre Check Green
379-GRN - Work Shirt - 12oz Ultra Heavy Flannel Ombre Check Green
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Description
The Iron Heart IHSH-379-GRN Work Shirt is produced in Japan from a 12 oz. Ultra Heavy Flannel and has a double brushed interior to yield a soft hand in an extremely hardy fabric, coming in a modern, ombre check of brown and black on a kelly green field to provide a sophisticated palette and pattern. Made from a rare Aspero wild and organic cotton plant found only in the foothills of Northeast Peru, the yarn yields remarkable softness and unmatched strength and has been treasured by the area’s indigenous population for generations. Using the signature Iron Heart Work Shirt pattern, this piece is perfectly proportioned in length to be worn untucked for modern, vintage-styled grit. This Work Shirt has numerous and carefully considered construction and design details like the squared shoulder and back yoke panel, paired with signature Iron Heart cats eye buttons on the dual patch front chest pockets with pencil slot, comprising a piece for the stylistically sound and self-reliant. Internal felled seams with chainstitched construction throughout and inseam run-off give this piece all the necessary heritage provenance, and then some. The Ultra Heavy Flannel Ombre Check Work Shirt balances classic and modern applications, making it a future heirloom with endless fall through spring applications. Built for the biker and over-engineered to start, the Iron Heart 379-GRN tests the limits of what can be artfully woven and sewn, delivering a lifetime of durability in a work-ready design.
Specs
- Limited Edition
- Standard Fit
- 12 oz. Ultra Heavy Weight Flannel
- Proprietary Fabric
- Once Washed
- Single Brushed Face & Double Brushed Interior
- Peruvian Organic Cotton Aspero Yarn
- 100% Cotton
- Gold Thread Interior Chainstitching
- Dual Button Front Chest Pockets
- Pencil Slot Chest Pocket
- Back Yoke Panel
- Button Cuffs
- Black Cats Eye Buttons
- Felled Seams
- Chainstitched Throughout & Run-off
- Bartack Reinforced
- Made in Japan
Sizing
Model Measurements: 5'9" | 150 lbs. | 38" Chest | 32" Waist - Wearing Size S
Iron Heart Shirting sizing is graded in small increments. The 379-GRN runs true to Iron Heart sizing and is made with a once-washed, brushed flannel fabric. With regular use, one can expect up to .5-1” of shrinkage in the chest over the long term.
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 379-GRN - Work Shirt - 12oz Ultra Heavy Flannel Ombre Check Green













Iron Heart 379-GRN - Work Shirt - 12oz Ultra Heavy Flannel Ombre Check Green
Specs
- Limited Edition
- Standard Fit
- 12 oz. Ultra Heavy Weight Flannel
- Proprietary Fabric
- Once Washed
- Single Brushed Face & Double Brushed Interior
- Peruvian Organic Cotton Aspero Yarn
- 100% Cotton
- Gold Thread Interior Chainstitching
- Dual Button Front Chest Pockets
- Pencil Slot Chest Pocket
- Back Yoke Panel
- Button Cuffs
- Black Cats Eye Buttons
- Felled Seams
- Chainstitched Throughout & Run-off
- Bartack Reinforced
- Made in Japan
Sizing
Model Measurements: 5'9" | 150 lbs. | 38" Chest | 32" Waist - Wearing Size S
Iron Heart Shirting sizing is graded in small increments. The 379-GRN runs true to Iron Heart sizing and is made with a once-washed, brushed flannel fabric. With regular use, one can expect up to .5-1” of shrinkage in the chest over the long term.
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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