Ultra-heavyweight raw denim built to last decades of hard wear.
Last verified: July 2026 · scored by the Made to Last method
Expected lifespanDecades
Typical price$350
Cost per year$14/yr
Warranty~Decades
Iron Heart's 21oz+ selvedge denim is famously overbuilt, with reinforced stitching that survives years of daily wear. Raw denim fans keep a pair for a decade or more.