SUREFIRE Sonic Defender EP4 multitool Reinforced back panel with aluminum

Reinforced back panel with aluminum stay bar

The Grip Cap was originally designed for marine personnel and boarding parties working in harsh salt spray environments

Non-shine rust-proof lace hardware

Another larger zippered pocket on the bottom can carry camp shoes

SUREFIRE Sonic Defender EP4 multitool Reinforced back panel with aluminumEP4 Sonic Defenders Plus protect your hearing without interfering with your ability to hear routine sounds or conversations. Their triple flanged stem design fits larger ear canals and provides a Noise Reduction Rating (NRR) of 24dB. Sounds, at safe levels, are allowed to pass through into the ear canal, while potentially harmful noises (above 85dB) are reduced via a proprietary design that incorporates a special noise reducing filter. EP4s include