The fabrics in the haberdashery go technical, as the seven remaining home sewers take on man-made fabrics designed for sport and the great outdoors. Host Joe Lycett keeps spirits high, as the sewers jump in at the deep end, with a pattern for a lined swimsuit. Containing so many seemingly identical pieces, it's a challenge that throws the sewing room into confusion, with a great deal of conferring, before judges Patrick Grant and Esme Young offer their brutally honest feedback.