Howard Leight by Sperian earmuff 1030111 SNR31, stereo capsule-muffs 7312550301111 (tool)
Comfort poorly suppressed after 1-2 hours extremely (pain because earpads too hard and misshapen) With glasses goes to the time not wearing the mehr.Ich about 4 hours of work and have the earmuff cushion one year you can exchange but where get I spar