Earmuff for helmet X5 with double-cast (TPU/ABS) housing with details in bright colours for a increased visibility. New noise reduction pads for better noise reduction, and 'spacers': an extra seal ring which reduces resonance. Easily adjusted using 'grip areas' on the top and bottom, durable, ergonomic and very light for high noise reduction. Can be combined with 3M respiratory and eye protection. SNR: 36dB.