Buzz Rickson's B-15B MOD (Modified) This is a vintage reproduction "B-15B MOD" by Toyo Enterprises, Buzz Rickson's. This is an early model of the now hard-to-find M-numbered M13773/M13774, and features a heavy construction just like the real thing. ■Features Model: B-15B MOD (Modified) Zipper: Rare CROWN spring cam lock zipper. Operation is very smooth. Label: MOD-exclusive label with a white tag. Details: Accurately reproduces the specifications of the time, such as the box tab (leather) for securing the oxygen mask and the code loop under the armpits. Material: The outer and lining are 100% nylon, and the batting is a blend of 58% wool and 42% cotton, reproducing the heavy texture of the time, which is more substantial than current models. ■Size Marked: 36 (equivalent to S-M) Shoulder width...44cm Body width...55cm Sleeve length...62cm (to the tip of the sleeve rib) Length...57cm (from the back collar, excluding the collar rib, including the tip of the lower hem rib) *Please forgive any slight errors due to amateur measurements. ■Condition Ribs: There is a small fray on the collar, but the cuffs and hem ribs have few pills and have good tension. Body: There are fine scratches unique to nylon due to aging, and some discoloration on the inside, but considering the age, it is in generally good condition. Zipper: There is no damage to the insertion opening, and it opens and closes well. It is a little stiff (from the beginning). Please check the 10th and 11th photos for any points of concern. For those who understand vintage military items, those who were looking for this, how about this opportunity? Popular model...MA-1 Color...Khaki系 (Khaki-based) Stains, tears, odors, etc....Yes