SHK1 HL Head Lamp OS Flame Resistant insulation and superior heat protection Clute ANSI Cut Level A6 insulation and superior heat protection Clute cut provides a roomy fit Straight thumb increases comfort in closed fisted work Nap out finish for heat resistance Knuckle strap for extra protection Starched gauntlet cuff for added forearm protection dirt repellent surface Pre formed plug shape with no rolling required makes insertion simple Self sealing flanges give all day comfort Rigid stem makes insertion easy and reduces the risk of contamination Corded versions use a non resonating vinyl cord for comfort and easy storage TPR plug is to be cleaned using soap and water Can be reused several times Head Lamp OS