Another pattern where one sees the conic style headgear, (besides Hadith, and scholarly descriptions of the Qalansuwa and, of course, the Prophet’s (S) own conic turban), is in the various helmets used by Muslims in battle.

Helmets like this one date back to the Hijri Year 11 and can be seen at the Citadel of Egypt.

Late 15th Century

This helmet bears the name of the Mamluk sultan Ibn Qala’un, who ruled from Cairo a century before Barquq. 13th Century