2 / | HD | APPAREL |
171 | DF | HEAD COVERINGS {24} |
181 | DF | .~ With sweats or other supplementary head engaging member {5} |
181.2 | .~.~ Discontinuous contact {3} | |
181.4 | DF | .~.~.~> Removable or retractable |
181.6 | DF | .~.~.~> With perforated or slotted sweat or head engaging member |
181.8 | DF | .~.~.~> Transversely grooved head engaging member |