From MUME

Metal

• the Dragonhelm - effective vs fire, no malluses
• a basinet - minor ob reduction
• a blood-encrusted helm
• a full metal helmet
• a great helm - reduces ob
• a horned helmet
• a horse-crested helm
• a metal helmet - minor ob reduction
• a pot helm
• a spiked metal helmet - minor ob reduction
• a strange black helmet - eff. vs. darkness, ineff. vs fire/light, night vision
• an S-rune helmet

Chain

• a chain mail coif
• a fine chain mail coif
• a sturdy chain mail coif
• a white chain mail coif

Leather

• a fine leather helmet
• a fine reinforced leather helmet
• a leather helmet
• a reinforced leather helmet
• a sturdy leather helmet
• a sturdy reinforced leather helmet

Cloth

• a grey wool hat
• a feathered hat
• a plain hat
• a plain hood
• a pointy hat
• a raccoon fur hat
• a silk cap
• a soft cloth cap
• a straw hat