Iron Heart

Ultra Heavy Flannel Blanket Check Work Shirt - Sax Blue

$345 $350



To a great extent, Iron Heart's ultra heavy flannel (UHF) shirts define Iron Heart: heavy, rugged, but amazingly wearable. This work shirt is an exclusive sax blue 'blanket check' 12oz fabric, woven with Aspero cotton from the foothills of the Andes mountains. They double brush it on the inside and single brush it on the outside, resulting in a very soft yet substantial, thick, warm and windproof flannel.


  • Made in Japan
  • Work shirt
  • Iron Heart original 12oz ultra-heavyweight sax blue blanket check flannel
  • Aspero cotton
  • UHF (ultra heavy flannel)
  • Single brushed on face and double brushed on reverse
  • Black cat's eye buttons
  • Two external button fastened chest pockets
  • Single and double needle stitch construction
  • Yellow bobbin thread and chainstitch run-off
  • One-washed - potential to shrink half a size with continual or very hot washing/tumble drying


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