I'm using the Spigen Rugged. It looks good and gives decent protection.
Galaxy S7 Edge Case, SpigenĀ® [Rugged Armor] Resilient [Black] Ultimate protection from drops and impacts for Samsung Galaxy S7 Edge (2016) - (556CS20033) https://www.amazon.com/dp/B01A7IDHOU/ref=cm_sw_r_cp_apa_.4qOxbA5C8ND1