‏اللباس والزينة‏ : Hadeeth No:5172 Anas b. Malik reported that 'Abd al-Rahman b. Auf and Zu'bair. b. 'Awwam complained to Allaah's Messenger (sallAllaahu alayhi wa sallam) about lice; he granted them concession to wear shirts of silk....

‏الصيام : Hadeeth No:2501 'A'isha (Allaah be pleased with her) reported. In the pre-Islamic days fast was observed on the day of Ashura, but with the advent of Islam (its position was ascertained as that of a voluntary fast). Then he who wished to fast fasted, and he who liked to abandon it abandoned it....