SensGard ZEM hearing protection protects against damaging noise while allowing speech and other useful sounds to be heard with clarity. it provides noise cancellation without bulk, batteries, or electronics. It is lightweight (less than 2 ounces), comfortable especially in hot, humid environments, convenient, easy to wear, and does not interfere with safety glasses or other safety devices. It offers premium performance and an affordable price. For more information visit www.sensgard.com.