Al-Kāfi - The Book of Haj

Chapter: Use of Shadow in the State of al-’Ihram َّدٍ عَنْ إِبْرَاهِي٠ُودٍ قَالَ قُلْتُ لِلرِّضَا (عَلَيْهِ السَّلاَ٠ُ يُظَلِّلُ عَلَى ٠ِلِهِ وَيَفْتَدِي إِذَا كَانَتِ الشَّ٠َطَرُ يُضِرَّانِ بِهِ قَالَ نَعَ٠ِ الْفِدَاءُ قَالَ شَاةٌ. 9.

Ahmad ibn Muhammad from has narrated from Ibrahim ibn abu Mahmud who has said the following: “I once asked abu al-Hassan (a.s.), about a man who is in the state of Ihram: if he can use shadow and pay ransom if the sun and rain are harmful for him. He (the Imam) said, ‘Yes, he can do so.’ I asked, ‘How much is the ransom?’ He (the Imam) said, ‘It is one sheep.’” صحيح - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (17/304))