This is the 9752nd most frequent Japanese word.
薄手
"薄手" means "thin or lightweight (fabric or material)."
In this sentence, '薄手の' modifies 'シャツ,' describing its lightweight nature suitable for hot weather.
この薄手のシャツは夏にぴったりです。
This lightweight shirt is perfect for summer.
Here, '薄手の' describes 'カーテン,' emphasizing their thinness which affects how light interacts with them.
薄手のカーテンは明るい光を透過します。
Thin curtains allow bright light to pass through.
In this case, '薄手の' refers to a 'ジャケット,' indicating it's lightweight and suitable for layering.