Tregging-style trousers.
Adjustable waist.
Frilled at the waist.
Two back pockets.
Front seam down the legs.
Worth knowing:
Zip and hook: 2 to 8 years
Zip and pivot button: 9 to 14 years
Worth noting: this is an unusual garment. It should be washed before being worn with light-coloured clothing and similar colours.