Black half-wool knitted helmet for servicemen, type B,

The helmet with a slit for eyes and side slits, is made of half-wool yarn (50% wool 50% PAN) 31 tex x2 (#32/2) in 3 ends. The number of loop rows per 10 cm - 108, the number of loop columns per 10 cm -45, surface density g / sq. m - 700.