Slightly on the thick/plump side; somewhat larger or thicker than average (used for body, lines, styles, etc.).
このパンツは太めのシルエットで、履くと楽だ。
These pants have a slightly wide/plump silhouette and are comfortable to wear.
最近、少し太めになったので運動を始めた。
I've gotten a bit plumper recently, so I started exercising.
ラーメンは太めの麺が好きだ。
I like ramen with thicker noodles.