Some among us put on Ihram for Hajj alone (Hajj Mufrad) ; some of us for Hajj and Umra together (Qiran), and some of us for Tamattal (first for Umra and after completing it for Hajj).
عَنْ أُمِّ الْمُؤْمِنِينَ عَائِشَةَ ؓ قَالَتْ مِنَّا مَنْ أَهَلَّ بِالْحَجِّ مُفْرِدًا وَمِنَّا مَنْ قَرَنَ وَمِنَّا مَنْ تَمَتَّعَ