1.67% polyester+33% cotton 2.Button Closed 3.Cotton+polyester,soft and comfortable,light and breathable,fit children's skin,stylish and durable stitching design,suitable for leisure outdoor sports. 4.Features: letter print, color block, button front, long sleeve, pocket 5.Occasion:As a school uniform,sports,travel,everyday wear,the thickness is suitable for spring autumn or winter,casual varsity baseball jacket,suitable for both boys and girls.