• Durable Foam Earplug With High-End Acoustic Filter
• Natural Balanced Sound Technology
• Ergonomic One Size Fit (Size M To L)
• Ventilates For Optimum Comfort, Less Irritation
• Unique Patent Pending Acoustic Filter
• Filter Is Water / Sweat Proof
• Ce & Ansi Certified!
• Designed, Made & Acoustically Tested In The Netherlands