Product Description ArcOne 06-HG ComfaGear Ratchet Headgear with Deluxe sweatband is a replacement part for welding helmets. The headgear assembly can be easily adjusted by means of a knob located at the back, and can be adjusted while wearing a helmet. The headgear has both crown (height) and circumference adjustments. The headgear attaches to the helmet with the ratchet fastener assembly on the side of the headgear. The headgear is equipped with a sweatband to absorb sweat and provide comfort to the user. Fits all the new Python welding helmets. From the Manufacturer ArcOne 06-HG ComfaGear Ratchet Headgear with Deluxe sweatband is a replacement part for welding helmets. The headgear assembly can be easily adjusted by means of a knob located at the back, and can be adjusted while wearing a helmet. The headgear has both crown (height) and circumference adjustments. The headgear attaches to the helmet with the ratchet fastener assembly on the side of the headgear. The headgear is equipped with a sweatband to absorb sweat and provide comfort to the user. Fits all the new Python welding helmets.