The B-15 series is an alternative to the B-10 as a mid-temperature flight suit.
A modified version of the B-15, known as the B-15A, appeared on November 4, 1944, and was characterized by the addition of a cortical triangle on the left or both sides of the forecast with fixed oxygen tubes, and two hooks near the armpits on either side for securing communication wires. This design continued into the B-15B, B-15C, B-15D, and the initial MA-1 flying jacket.
The B-15A is a very distinctive part of the B-15 series. chest of two pieces of cortex triangle let you'll never forget, B-15A was made of cotton cloth, and later models began to use nylon cloth, The B-15 series features a larger collar than the B-10, convenient stand collars warm head, The zipper is positioned to the right of the centerline, a unique feature of the B-15 and B-15A.