Ear defenders for safety helmets. Adjustable in height. 
Metallic arms and ABS cups padded with synthetic foam. 
Can be used on their own or with VISOR HOLDER faceshield holder. 
Suitable for ZIRCON, QUARTZ, GRANITE and BASEBALL DIAMOND safety helmets.
Cup: ABS.
Pad: polyurethane foam and polyurethane coating.
Fork: stainless steel.