• 24dB Noise Reduction Rating (NRR) with filter caps inserted, Hear safe sound levels (with filter caps out) as if you weren't wearing ear plugs
• Soft, adjustable, double-flanged stems provide secure seals in ear canals and all-day comfort
• Low-profile design allows you to keep them in place while wearing a mask, helmet, hat, or while using supplemental hearing muffs
• Patented EarLock retention rings utilize seven contact points to lock earpieces in place and fit the same way every time
• Made in USA from hypoallergenic, medical-grade polymer that's soft, durable, and long-lasting