Complex sentence: She is often best-remembered for the leather catsuit she wore early on in her first season, but in fact Rigg disliked wearing leather and John Bates designed softer stretch jersey and PVC catsuits for her instead.
Split into simpler sentences: She is often best-remembered for the leather catsuit she wore early on in her first season. Rigg, in fact, disliked wearing leather and John Bates designed softer stretch jersey and PVC catsuits for her instead.