Iron Heart
439-BLK - Western - 9oz Selvedge Flannel Black Check
439-BLK - Western - 9oz Selvedge Flannel Black Check
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Description
The Iron Heart IHSH-439-BLK Western is a heavyweight, reinforced piece in once-washed, Black 9 oz. Japanese Selvedge Unbrushed Flannel, suitable for year-round use. A classic check in charcoal and white on a deep black field updates a versatile retro palette with a traditional workwear pattern. Designed with the signature Iron Heart Western slim-fit pattern, based on the 1926 original, this shirt is perfectly proportioned in length to be worn untucked for modern, vintage-styled grit. The Western has numerous carefully considered construction and design details, such as the triple-stitched curved shoulder and back yoke panels, paired with pearl Iron Heart Permex snaps on the dual flap front chest pockets, placket, and cuffs, creating a piece for the stylistically sound and self-reliant. Moreover, red selvedge line reveals on the placket and cuffs, combined with internal felled seams and orange thread chainstitched construction, provide this piece with all the necessary heritage provenance and then some. The Selvedge Flannel Black Check Western balances classic and modern applications, making it a future heirloom and a year-round go-to that will only improve with wear. Built for the biker and over-engineered to start, the Iron Heart 439-BLK tests the limits of what can be artfully woven and sewn, delivering a lifetime of durability in a workshop-to-road-ready design.
Specs
- Limited Edition
- Tailored Fit
- 9 oz. Japanese Selvedge Unbrushed Flannel
- Proprietary Fabric
- Once Washed
- Red Selvedge Line
- Reactive Dyed
- 100% Cotton
- Point Collar
- Triple Stitch Front & Back Yoke Panels
- Snapped Flap Patch Chest Pockets
- Orange Thread Interior Chainstitching
- Interior Placket and Cuffs Selvedge Line
- Dual Snapped Cuffs
- Pearl & Nickel Permex Snaps
- Felled Seams
- Chainstitched Construction
- Bartack Reinforced
- Made in Japan
Sizing
Model Measurements: 5'10" | 155 lbs. | 39" Chest | 32" Waist - Wearing Size M
Iron Heart Shirting sizing is graded in small increments. The 439-BLK runs true to Iron Heart sizing. This piece is made with an unbrushed flannel fabric and has been once washed. With regular use, one can expect up to .5” of shrinkage in the chest (Circumference) 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 439-BLK - Western - 9oz Selvedge Flannel Black Check

Iron Heart 439-BLK - Western - 9oz Selvedge Flannel Black Check
Specs
- Limited Edition
- Tailored Fit
- 9 oz. Japanese Selvedge Unbrushed Flannel
- Proprietary Fabric
- Once Washed
- Red Selvedge Line
- Reactive Dyed
- 100% Cotton
- Point Collar
- Triple Stitch Front & Back Yoke Panels
- Snapped Flap Patch Chest Pockets
- Orange Thread Interior Chainstitching
- Interior Placket and Cuffs Selvedge Line
- Dual Snapped Cuffs
- Pearl & Nickel Permex Snaps
- Felled Seams
- Chainstitched Construction
- Bartack Reinforced
- Made in Japan
Sizing
Model Measurements: 5'10" | 155 lbs. | 39" Chest | 32" Waist - Wearing Size M
Iron Heart Shirting sizing is graded in small increments. The 439-BLK runs true to Iron Heart sizing. This piece is made with an unbrushed flannel fabric and has been once washed. With regular use, one can expect up to .5” of shrinkage in the chest (Circumference) 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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