UNIQLO U Airism T-shirts, made of lightweight and breathable material. These are two men's size shirts. - Brand: UNIQLO U - Size: S (Men's size) - Material: 53% Polyester, 30% Regenerated fiber (Polyester), 17% Other fibers - Colors: Dark Blue, Dusty Pink Beige Unisex, I (a woman) wore size S and found them easy to use and very useful. These were popular T-shirts. The others are a purple and black striped shirt in UNIQLO size L, and the 3/4 sleeve knit is from GU.