The inspiration for this cap comes from the one used by mechanics from the US ARMY in the 40's.
The fabric is the same one, the TCB original, as used for TCB 30's hat.
The wefts for the fabric is pre-rope dyed in khaki for the natural aging and the fabulous fades after the years of wear.

Size Chart
*Note that the number is after the shrink.
S: 56cm
M: 58cm
L: 60cm
XL: 62cm 40's Cap Denim/ One-Wash