Part # 10920 - Uncorded - 10921 - Cor

- Unique density structure
- Soft soil resistant outer foam
- Ergonomic shape for ease of fitting
- Low expansion pressure for comfortable fitting
- Extremely comfortable for long periods of wear
- Excellent sound insulation, class 5 (26db)
- Excellent protection against high levels of noise, particularly low frequency noise
- Ability to communicate with others while being protected from loud noise