Rifleman Hi Viz Green with Reflective Headband Ear Muffs NRR 28. Working or playing at night in a high noise environment increases safety concerns and the Hive's hearing protector can help save your hearing and make you more visible to unseen dangers. The reflective headband and "luminescent green" color work together to help make sure you are seen. A Top Seller. Specifications for Rifleman Hi Viz Green Ear Muffs with Reflective Headband NRR 28: Manufacturer: Rifleman Color: Green NRR: 28 dB Age Group: Adults Package Contents: Rifleman Hi Viz Green Ear Muffs with Reflective Headband NRR 28 Rifleman RFHVGBX: Hi Viz Green with Reflective Headband Ear Muffs NRR 28