Anas on the authority of the Prophet, may God bless him and grant him peace, said: Whoever contemplates the appearance of a woman until he can see the size of her bones from behind her clothes while fasting has broken his fast

Kharash This is unknown because he was narrating it from a newspaper he had and this hadith is from it and the one he narrated from him. Weak, as stated by our Sheikh Abu Muhammad Abd al-Haqq