It's week 4, and the 10 remaining sewers celebrate the richfashion and textile traditions of Korea. Renowned fashiondesigner Eudon Choi joins as a special guest judge.In thePattern Challenge, the sewers take on the jeogori, a historicKorean garment now seen in contemporary womenswear and K-Popstyle. In the Transformation Challenge, taekwondo outfits andcolourful belts are reimagined into striking newcreations.Finally, in the Made to Measure Challenge, thesewers design evening wear inspired by the cheollik, once wornby military officials and now a symbol of modern Koreanfashion.