Designed for an oversized fit. Take your normal size to achieve the model's look, or size down for a more fitted look. The Gastoo shirt from Bellerose is an oversized classic and has been an integral part of their women's collection for years and it still manages to surprise. The fit is oversized and the fabric is a top notch cotton in a classic white. Tuck it into high waist skirt or pants alike, it'll always bring a classy nonchalance to the table. Oversized shirt. Shirt collar. Button down front. Hi-lo hem. 100% Cotton.