Joe Lycett hosts as Summer Week hits the sewing room, with three challenges themed around sewing clothes to look and feel cool in even the fiercest heat. Patrick and Esme's Pattern Challenge is a pair of paperbag shorts. They might be a small garment, but creating the signature shape means perfecting pockets, tackling tricky turn-ups and wrestling an elastic waistband with a mind of its own. The sewers hit the beach in the Transformation, sculpting second-hand men's swimming gear.