Complex sentence: He used to take 20 minutes to get into the red body suit, composed of three-inch solid rubber, while removing it took about 40 minutes, with regulated water and food intake in order to avoid visits to the toilet.
Split into simpler sentences: He used to take 20 minutes to get into the red body suit, a three-inch thick solid rubber. Taking it off cost him about 40 minutes, with regulating water and food intake and avoiding visits to the toilet.