May Allah have mercy on the early immigrant women. When the verse "That they should draw their veils over their bosoms" was revealed, they tore their thick outer garments and made veils from them. (Using translation from Abū Dāʾūd 4102)
يَرْحَمُ اللهُ نِسَاءَ الْمُهَاجِرَاتِ الْأُوَلِ لَمَّا أَنْزَلَ اللهُ تَعَالَى {وَلْيَضْرِبْنَ بِخُمُرِهِنَّ عَلَى جُيُوبِهِنَّ} [النور 31] شَقَقْنَ أَكْنَفَ قَالَ ابْنُ صَالِحٍ أَكْثَفَ مُرُوطِهِنَّ فَاخْتَمَرْنَ بِهَا