M38 with M44 Issue Goggles It was made of rubberized fibre/leather with a thicker band of leather stitched around the rim. An inner suspension was made of a cross of soft leather straps. Ten 3/4 inch ventilation holes helped keep heat down while the back of the head was protected by a neck flap of the same material as the cap.
Side ear pieces were loosely attached, each with an R-14 earphone built into a center hole. The ear flaps could be worn flipped up, but inside a tank the noise level was so high that you could hear nothing unless the earphones were right against your ears. Side spring-loaded tabs held the earflaps tightly to the ears when that was desired. R-14 Earphones
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