Complex sentence: He commented that there must be proper attire for women, including clothes that do not reveal the navel, saying Muslim women must be covered from head to toe except for their face and hands, while Muslim men must be decently dressed when in public.
Split into simpler sentences: He commented that however there must be proper attire for women such as clothes that do not reveal the navel. He further added that Muslim women must be covered from head to toe except for their face and hands while Muslim men must be decently dressed when in public.