The Skullerz 8880 Hard Hat Mounted Earmuffs are designed for comfort and noise reduction both on and off the job site. These noise-canceling earmuffs seamlessly integrate into Skullerz Hard Hat and Safety Helmet dedicated side accessory mounting slots for a secure fit. Padded and foam-filled, the earcups are designed for all-day comfortable wear. The earcups are also adjustable and can be tilted up, down or stored onto the side of the hard hat or safety helmet to create a customized fit