Iron Heart Ultra-Heavyweight "Slubby" Flannel Classic Check Work Shirt (Sumi Black)
March 22, 2025

Iron Heart Ultra-Heavyweight "Slubby" Flannel Classic Check Work Shirt (Sumi Black)

Back again! Here we have some of the best flannels!

CORLECTION is proud to show off the Iron Heart Ultra-Heavy-Flannel Classic Check in a Sumi Black colourway. Just in time for the season, with all the staple Iron Heart features and quality you know and love!

Famous for its heavyweight construction, Iron Heart's flannel fabric is slowly woven using vintage machines with thread-dyed colourways. This heavyweight fabric has an exaggerated slubby texture compared with their other flannels making up for a soulful vintage look! The pattern is sharp and textured, unlike brands that use cheaper printing methods.

For durability, this one is skilfully constructed using vintage machines and features classic workshirt-styled chest pockets with a pencil slot. Chain stitch run-off make-up for a real worker vibe and the black urea buttons add some tasteful contrast in the natural light.

If you are looking for the OG in high-quality heavyweight Japanese Flannels, Iron Heart is it!

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Iron Heart