He may shade himself beneath a tent, a tree, or a building, for the Prophet ﷺ had a tent pitched for him and stayed in it while in a state of ihram. The pilgrim may likewise use an umbrella when necessary, ride in a roofed vehicle, and carry goods on his head so long as the purpose is not to cover it.
Fourth prohibition: for a male pilgrim to wear any tailored garment that envelops all or part of the body—such as a shirt, turban, or trousers—or anything cut to fit a specific limb, like leather socks, gloves, or stockings. In the two Ṣaḥīḥs it is reported that the Messenger of Allah ﷺ was asked, “What may the pilgrim in ihram wear?” He replied, “He must not wear a shirt, a turban, a burnous, trousers, a garment scented with wars or saffron, or leather socks.”
Shaykh al-Islām Ibn Taymiyyah (may Allah have mercy on him) said: “The Prophet ﷺ forbade the pilgrim in ihram from wearing a shirt, burnous, trousers, leather socks, or turban; he also prohibited covering the head of a deceased pilgrim and instructed the man who entered ihram wearing a jubba to remove it. Anything of this kind serves as a means to the very thing the Prophet ﷺ forbade; therefore, whatever is of the same nature as a shirt takes its ruling. He is not allowed to wear a shirt with sleeves or without sleeves, whether he inserts his arms into it or not, and whether the garment is intact or torn. Likewise, he must not wear a jubba or a cloak into which he puts his arms …”