Diego is a young 20-year-old man of below-average height and slim to medium build. He has blonde hair, dark eyebrows, and sharp cyan eyes He commonly wears an equestrian helmet with the letters "DIO" loosely mounted on bending pins emerging from a small ribbon tied at its front, a turtleneck jumper patterned with a diagonal grid, light, mid-forearm-length gloves, Jodhpurs with flared hips, and tall, dark riding boots Diego is one the most talented jockeys of his generation