Yes, women and girls can freely wear jeans in Saudi Arabia. Following significant legal and cultural modernization reforms under the Kingdom's Vision framework, the strict historical mandates requiring traditional outer garments like the abaya for all women have been lifted. Modern public dress codes emphasize modest attire generally, but women and girls routinely wear casual clothing items such as jeans, trousers, t-shirts, and contemporary fashion without legal restriction in public spaces, commercial centers, and universities.