Pro Ears ultra-pro are rugged, hight profile cups, adjustable headband, and ProForm leather ear cushions. These are suitable for a high noise environment like Shooting on the rang, in a factory, or in your home workshop. The ultra-pros can be used in conjunction with a hard hat. The included hard hat adapter fits most hard hats pivoting and locking in the up position. The snap in ear cushions make replacement quick and easy. These Pro Ears weight 12 ounces and have a noise reduction rating (NRR) of 30.