Size 9 - Nike Flex 2018 RN Dark Grey for sale online | eBay
Grace One Sports - The Nike Flex 2018 RN Men's Running Shoe helps keep you light on your feet from start to finish with a breathable upper and lightweight, flexible outsole. Flywire
Size 10 - Nike Flex 2018 RN Black - AA7408-018 for sale online | eBay