Security level: Class A Fabric name: Cotton Sleeve length: long sleeve Whether it is hooded: detachable with hood Main fabric composition: cotton Main fabric ingredient content: cotton (%) Closed style: single-breasted Style: Japanese Style: Long climb Color: spring and autumn regular cotton models (above 20 degrees), thick air cotton models in autumn and winter (below 20 degrees), summer short-sleeved thin models Suitable Age: 0-3 Months, 3-6 Months, 6-9 Months