Surefire EP4 Sonic Defenders Plus Earplugs - Large Fixed Blade 100 oz / 3 L

100 oz / 3 L OMEGA™ HydroTanium™ Reservoir with Lifetime Warranty

The Osprey Atmos AG 50 features Osprey’s Anti-Gravity suspension system for quick drying ventilation and all-day comfort

Spare o-rings

The right/left color-coded Sonic Defenders Plus are made from a soft but durable

Surefire EP4 Sonic Defenders Plus Earplugs - Large Fixed Blade 100 oz / 3 LEP4 Sonic Defenders Plus protect your hearing without interfering with your ability to hear routine sounds or conversations. Their triple flange stem design fits larger ear canals and provides a Noise Reduction Rating (NRR) of 19dB. Sounds, at safe levels, are allowed to pass through into the ear canal, while potentially harmful noises (above 85dB) are greatly reduced via a proprietary design that incorporates the patented Hocks Noise Braker filter.