Iron Heart ‘Spark Plug’ 7.5oz Loopwheeled T-Shirt - Black / IHT-2503 Care Using the traditional skein dyeing

Using the traditional skein dyeing method

as it can be easily stowed and is not too bulky around the neck

and the indigo-dyed fabric promises a lot of patina

tightening the weave and softening the hand at the same time

Iron Heart ‘Spark Plug’ 7.5oz Loopwheeled T-Shirt - Black / IHT-2503 Care Using the traditional skein dyeingThis Iron Heart Spark Plug 7. 5oz Loopwheeled Tee hits like a spark to the piston: loopwheeled, printed in Tokyo, and built to ride with you. At 7. 5oz, its lighter than the brands denim tanks but still carries that unmistakable weight in feel and presence. The back graphic nods to their iconic 21oz and 25oz jeans, reimagined through the lens of classic motor mechanics. The fabric is knit on classic tsuriami ki machines low tension, circular knit, no