All perfect praise be to Allaah, The Lord of the Worlds. I testify that there is none worthy of worship except Allaah, and that Muhammad is His slave and Messenger. We ask Allaah to exalt his mention as well as that of his family and all his companions.
Ablution is not nullified by moving the clothes above the ankle, or cutting nails or sneezing. The nullifiers of ablution are discussed thoroughly in our Fatwa: 84093.
However, a woman is not allowed to uncover her ankles to marriageable men. It is also forbidden for a woman to chat or have relations with marriageable men. For more details read Fatwas: 81671 and 84874.
Allaah knows best.