Yahya related to me from Malik from Alqama ibn Abi Alqama thathis mother said, "Hafsa bint Abd ar-Rahman visited A'isha, the wife ofthe Prophet, may Allah bless him and grant him peace, and Hafsa waswearing a long thin head scarf. A'isha tore it in two and made a thickone for her."
USC-MSA web (English) reference: Book 48, Hadith 6
Arabic reference: Book 48, Hadith 1660