noun, noun which may take the genitive case particle 'no'
slender figure; slim build
Describes a person's physique as slender or slim, often with a positive or neutral connotation. Can be used as a noun or with の to modify another noun.
彼女は優形で、どんな服もよく似合う。
She has a slender figure and looks good in any clothes.
優形の男性がモデルとして活躍している。
A slim-built man is working as a model.