Category Nuances matching headgear:

• protective,
• traditional,
• religious,
• appropriate,
• suitable,
• wearable,
• standard,
• useless,
• under,

Members for simple category headgear:

• turban,
• yarmulke,
• spore_hat,
• motorcycle_helmet,
• gas_mask,
• bicycle_helmet,
• sikh_turban,
• hijab,
• protective_helmet,
• safety_helmet,
• helmet,
• hard_hat,
• blast_helmet,
• muslim_hijab,
• bike_helmet,
• muslim_headscarf,
• hat,
• jewish_yarmulke,
• respirator_hood,
• man_cap,
• scarf,
• hockey_helmet,
• umpire_headgear,
• cap,
• racing_helmet,
• skullcap,
• fez,