Girls' Pure Cotton School Cardigan (2 18 Yrs) M&S M&S School Cardigans at M&S School Girl Cardigan Brown Girls' Pure Cotton School Cardigan (2 18 Yrs) M&S Collection M&S School Cardigans at M&S. The School Girl Cardigan by Free People presents a relaxed knit silhouette with a soft, wearable finish. Designed in brown with a taupe toned handle, it balances comfort with subtle structure. A timeless layering piece with effortless, lived in appeal.