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Iron Heart 2526J - Modified Type III - 17oz Duck Canvas Brown
Iron Heart 2526J - Modified Type III - 17oz Duck Canvas Brown

Iron Heart

2526J - Modified Type III - 17oz Duck Canvas Brown


Garment Measurements | Virtual Size Chart


The Iron Heart IH-2526J Modified Type III Jacket is an armor-like workwear statement piece produced from a 100% Cotton and heavyweight 17 oz. sanforized Japanese Duck Canvas cloth. Taken from the classic Type III Trucker Jacket, this pattern features a modified body that's been lengthened beyond the belt line for modern styled grit. This duck canvas is an evolution of the original workwear and marine grade fabric type that is now commonly used in military and naval garments. This saturated burnt brown warp and weft plain weave cloth will withstand years of abuse and patina when worn hard as intended yet maintain a structured form. This hearty jacket is resilient and unapologetic, which makes it perfect for the guy who needs an extra layer of protection, or enjoys the rewards of a well-earned break in. Created to be both a layering and outerwear piece, the Trucker features slash front pockets, copper buttons for the front placket and flap front welted chest pockets, along with internal felled seams and chainstitched construction throughout. Built for the biker and over-engineered to start, this Brown Duck Modified Type III will deliver a lifetime of durability in an unmistakable design. The 2526J strikes the balance between climate and culture-appropriate, making it a year-round go-to for a look that is truck stop ready with battlefield bravado.


  • Modern Fit
  • Modified with Longer Body
  • 17 oz. Japanese Duck Canvas Cloth
  • Sanforized
  • 100% Cotton
  • Unlined
  • Dual Welted Button Flap Chest Pockets
  • Welted Front Slash Pockets
  • Copper Buttoned Front Placket & Cuffs
  • Buttoned Back Tab Adjustable Hem
  • Internal Felled Seams
  • Chainstitched Throughout
  • Bartack Reinforced
  • Made in Japan


Model Measurements: 5'11" | 165 lbs. | 40" Chest | 32.5" Waist - Wearing Size L

Iron Heart Outerwear sizing is graded in small increments. The 2526PJ runs on the small side of Iron Heart sizing and is made with a sanforized fabric with most shrinkage removed. With regular use, one can expect up to .5” of stretch in the chest over the long term. Consider going with your common or the larger of your size range in Iron Heart.

We recommend consulting our Sizing Guide and using our Virtual Size Chart.

Please feel free to Contact Us for additional assistance.

About Iron Heart

After 20 years of working in the garment industry in Japan, Shinichi Haraki established Works Inc a.k.a. Iron Heart in 2003 as a heavyweight Japanese clothing brand, initially aimed at the Japanese motorcycling community. Over the years and in partnership with the UK heritage community, the brand has become the pinnacle definition of bullet-proof garment construction. Originally made for bikers, Iron Heart pushes the design and construction of the clothing to the limit of what can actually be woven and... View All Iron Heart Products