The present application provides a headband arrangement for a welding helmet,comprising: a fixed attachment structure； a helmet mounting structurecooperating withthe attachment structure, wherein at least two stopping positions are definedlongitudinally between the attachment structure and the helmet mountingstructure, thehelmet mounting structure is selectively switchable between an unlocking stateand alocking state, wherein in the unlocking state, the helmet mounting structureis slidablebetween the stopping positions relative to the attachment structure, andwherein in thelocking state, the helmet mounting structure can be locked to one of thestoppingpositions relative to the attachment structure and can be kept there by amagnetic forcegenerated between a pair of magnetic parts.
