Check out boys' short, layette, top, and pant sets at TopOfStyle from Wonder Nation, Disney, Canis, and the likes. Shein is a Chinese fashion and apparel company that sells clothing, footwear, backpacks, and much more for men, women, and kids. The brand’s other products include jewelry, fragrances, etc. Blue represents the sky, water, calmness, and lightness. Some popular patterns in Shein Blue Clothing Sets for boys are Tropical, Graphic, Striped, Solid and Cartoon.