'lightweight clothes' is correct and can be used in written English.
For example, you could say, "In the summer months, it's best to wear lightweight clothes to stay cool."
Wear loose fitting, lightly colored and lightweight clothes.
Lightweight clothes are easily weighed down with a phone, wallet and keys.
Hussein Chalayan's collection stood out for different reasons: he considered the need for lightweight clothes that have polish and surprise.
Under blue skies, winter-white bodies appeared in lightweight clothes, sunglasses glistened over smiles and Manhattan became a consumer carnival.
In fact, for minutes at a time, there were no taxis to accommodate all those people, many shivering in lightweight clothes.
Mr. Costa deals in a gentle beauty that is modern in design, as in the practicality of lightweight clothes for busy women's travels.
If it's cold outside, and there's ice all over the roads: Too bad! Scope out a trail where there is very little to no ice, and dress up in warm lightweight jogging clothes.
So why not smart, lightweight casual clothes for our summer breaks?
Anthropometric measurements were obtained with the women wearing lightweight street clothes without shoes.
Wear light-colored, lightweight, loose-fitting clothes.
From that idea, the duo invented a collection of lightweight and functional clothes that are also designed to take you to work — not just on a bike, but at the desk.
