Stella McCartney Kids Waistcoat. Blue denim waistcoat by Stella McCartney Kids. This sleeveless gilet is made with organic cotton and is embroidered with fun badges on the front and back, with popper fastening, a curved hem and front pockets. It is fully lined with a synthetic shearling for warmth and comfort. Size - 4 years RRP: £74 Ref: SBJ1