noun
overtop
A loanword used in fashion to describe wearing a longer garment over a shorter one, creating a layered look. Also used in other contexts for something that goes over the top of something else.
このコーディネートは、オーバートップがポイントです。
The key to this outfit is the overtop layering.
オーバートップのスカートを合わせると、こなれた印象になります。
Pairing it with an overtop skirt gives a sophisticated look.