Collocations for sunglasses - noun

dark
aviator, wrap-around
mirrored
designer
cool, stylish

pair

have on, wear
put on
remove, take off
adjust, push back, push up

be perched on sth, perch on sth
Her sunglasses were perched on her head.

behind your sunglasses
She observed the goings-on from behind her mirrored sunglasses.