3m Peltor Optime III earcups

No music, no radio , just lightweight and easy going . Straight forward bolt on Peltor iii headphones 

3M™ PELTOR™ Optime™ III Earmuffs are our high performance hearing protectors for use in extremely loud environments, reducing noise levels by up to 34 dB. They have a double casing that minimises resonance and comfortable soft, wide cushions to decrease pressure around the ears. Helmet attached