You can wear the Ribbed Hooded Cardigan at school, outside, on cool autumn evenings, on top of your t-shirt, and on winter days, on top of your sweatshirts, so that you don't get cold and create great combinations.
It is recommended that you take your own size, those who like it more oversize can choose one size larger. You can decide by examining the size chart.
As long as you follow the washing instructions, it is a product that you can use for many years.