if awrah is not exposed salah is valid . Awrah for men is above navel to just to below knees. Angels say ameen while surah fathiha is read is known from hadiths but its also known from hadiths that Angels of Rahmath do not enter When pictures of living beings or Dog is present there.
Yes, since Angels say ameen while surah fathiha is read is known from hadiths but its also known from hadiths that Angels of Rahmath do not enter When pictures of living beings or Dog is present there.
Wearing right cloths in method of sunnah adds value to the salah and that's the way for More Piety.