Shell made up of HDPE and the inner fitting having 4 tectonic points. Harness is made up of LDPE and also inbuilt slot which connect the ear muff on Helmet easily. Also it is equipped with adjustable chin strap for universal size and also having high absorbent sweatband which allows good absorption of sweat and does not cause any skin reaction. Also have knob on back side to easily adjust the tightness of fitting.
IS:2925: 1984
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