Deshret, from ancient Egyptian , was the formal name for the Red Crown of Lower Egypt and for the desert Red Land on either side of Kemet, the fertile Nile river basin. Lower Egypt is the northern-most section of Egypt. It refers to the fertile Nile Delta region which stretches from the area between El-Aiyat and Zawyet
In mythology the earthgod Geb, original ruler of Egypt, invested Horus with the rule over Lower Egypt. Geb (pronunciation as such from the Greek period onwards formerly erroneously read as Seb) or Keb (in Egyptian originally Gebeb/Kebeb meaning probably  The Egyptian kings, who saw themselves as successors of Horus, wore it to symbolize their authority over Lower Egypt. 
Other gods wore the deshret too or were identified with it, such as the protective serpent goddess Wadjet and Neith. In Egyptian mythology, Wadjet, which means the Green One ( Egyptian egy w3ḏyt; also spelt Wadjit or Wedjet
The Red Crown would later be combined with the White Crown of Upper Egypt to form the Double Crown, symbolizing the rule over the whole country, "The Two Lands" as the Egyptians expressed it. Hedjet is the formal name for the White Crown of pharaonic Upper Egypt. Upper Egypt (صعيد مصر Sa'id Misr) is a narrow strip of land that extends from the cataract boundaries of modern-day Aswan to the area between The Pschent (sh-yen was the name of the Double Crown of Ancient Egypt. 
As concerns deshret, the Red Land which comprised the deserts and foreign lands surrounding Egypt, Seth was its lord. This article is about the Biblical Seth For the Egyptian god Seth see Set (mythology; for other meanings see Seth (disambiguation.  It was considered a region of chaos, without law and full of dangers.
No Red Crown has survived, and it is unknown how it was constructed and what materials were used. Reeds, cloth, and leather have been suggested, but this is purely speculative.
The Red Crown is frequently mentioned in texts and depicted in reliefs and statues. An early example is the depiction of the victorious king of the South wearing the deshret on the Narmer Palette. The Narmer Palette, also known as the Great Hierakonpolis Palette or the Palette of Narmer, is a significant Egyptian archeological find dating from A label from the reign of Djer records a royal visit to the shrine of the Deshret which may have been located at Buto in the Nile delta. Djer is the second or third Pharaoh of the First dynasty of Egypt, which dates from approximately 3100 B  The creator-goddess of Sais Neith is often shown wearing the Red Crown. 
Ramesside Period ostracon, pharaoh wearing Red Crown
Narmer Palette, front