Product performance: This snapback hats Made of high-quality polyester twill fabric + nylon mesh, the front of the crown has a hard top structure, which improves the overall structural stability, and the curved rubber brim: better shading effect, highlighting the face shape in all your outdoor activities, Protect your skin from UV rays and keep your hair and eyes safe from you with this comfortable hat. Nylon mesh on the back, more refreshing and cool in summer. Applicable scene: This snapback hats is comfortable and breathable to wear, can be used in all seasons, stylish design, suitable for sports, outdoor, daily and party wear. Fitting Construction: Adjustable Back Closure, Cap Circumference: 22.4-23.7" / 57-60cm Fits most head sizes, unisex.