IH-830-IND Iron Heart 10.5oz Herringbone Painter’s Pants - IndigoIron Heart's classic painter's pants, constructed from authentic 10oz Japanese herringbone twill a fabric rooted in traditional workwear and renowned for the durability provided by its distinctive zig zag weave. Woven with uneven yarns to add texture and heft, this herringbone utilises rope dyed indigo warp yarns and a white weft so like our hickory stripe and Wabash fabrics, you can expect these pants to fade and evolve with subtle vintage character