Lightweight and compact, it features a soft, hypoallergenic silicone skirt, complete with a double-edge feather seal that ensures an excellent fit and high levels of comfort even during prolonged use. The low-volume masks and minimal eye-lens distance ensure an excellent field of vision in all directions. The strap buckles rotate for instant adjustment. The mask’s silicone strap has a wide, split design to ensure even dispersion and greater fit and comfort. It features an easily accessible one-handed nose pocket for ear equalization, which can be used even when wearing thick gloves. To protect the masks when not in use, the Focus comes with a protective hard plastic case. The Focus can be fitted with prescription optical lenses.