The Portwest PS47 Endurance Hi-Vis Orange Clip-On Ear Defenders are fully certified to UK and European ear protection standards for noise up to 27dB, a good choice for loud industries such as demolition or construction. The clip-on design provides plenty of room for safety helmets and goggles in case full face protection is required. With a bright orange, high-vis design, they help you stay seen in low-light conditions.