Both polyester and cotton sports socks have their advantages. Polyester is known for its moisture-wicking properties, durability, and quick drying time, making it suitable for fast-paced activities and sweaty workouts. Where as Cotton socks on the other hand provides softness, breathability, and comfort. So, it can retain moisture and take longer to dry. The choice between polyester and cotton depends on personal preference and the specific needs of the sport or activity.