Hat
panama
brim
boater
band
trilby
cowboy hat
bowler (BrE) / derby (NAmE)
top hat
mortar board
cap
cloth cap / flat cap (both BrE)
baseball cap
peak (BrE) / bill (NAmE)
beret
hard hat
crash helmet
visor
beanie
bobble hat
pom-pom (BrE also bobble)
sou’wester
hood
sun hats
crown
sombrero
gloves
fingerless gloves
mitten
glove
scarves
scarf
silk scarf