● Size: 【F (M/L) Size】 Head circumference 55-57cm ● Nike Dri-FIT technology wicks sweat away from your skin for quicker evaporation, helping you stay dry and comfortable. ● Tri-glide belt allows for easy adjustment of the fit. ● Eyelets provide breathability to keep you cool. ● Nike AeroBill technology combines breathability with sweat-wicking performance for reduced distraction. ● Soft fit Used less than 10 times. Please understand that this is a used item. Thank you for your understanding.