100% PolyesterSnap closureAdjustable rebound size: 2.76 inches; height: 4.72 inches; closed range: 21.7-22.2 inches / 55-59 cm (one size is most suitable for large heads) unisex comfortable flat top baseball cap.Material: polyester/cotton .Breathable and comfortable. Classic sports baseball cap.This comfortable hat can be worn on the road and in any outdoor activities to protect the skin from harmful ultraviolet rays, and keep the hair away from the face and eyes, avoid direct sunlight and harmful ultraviolet rays.Uses: stylish and cool hat design. It can be used for golf, tennis, fishing, hiking, camping, sailing, daily outdoor activities or street dancers, gathering with friends, masquerade and other occasions.Gifts: This is a great choice for family travel and birthday holiday gifts! This is a must-have gift for family and friends. Personalized birthday gifts.