How Can the Apparent Conflict Between the Permissibility of Wearing Wool and Cotton Be Resolved?
Wearing cotton garments is approved by the Ahl al-Bayt and carries no restrictions. Wearing wool, however, is conditional: it may be worn for night worship, to feel the hardship of the poor, to identify with ordinary people, in illness or cold, or temporarily to cultivate humility. At times, wool garments have also been a symbol of hypocrites.