A gilet (/dʒɪˈleɪ/) or body warmer is a sleeveless jacket resembling a waistcoat or blouse.

What is the point of a sleeveless jacket?

When a Vest Works Best

A vest is perfect in such cases because they give your arms more freedom of movement and keep your core warm. When temperatures are much colder, vests serve as a great mid-layer between a long sleeved base layer and your outer jacket, and it also provides you with the most versatility.

What is a Gelay?

So, what is meant by the word gelay? Now the word gelay is a new word in the slang used by young people. As quoted from the page kbbi.kemdikbud.go.id, Gelay admitted to the word amused. It is a feeling as if it is being gnawed or agitated.