Features: -Adjustable -Circumference: 53 cm Fabric: 98% polyester / 2% elastane *Sunscreen (spray or cream) can affect the condition of your cap. It is very important to remove the cap from the head when applying sun protection. About the brand A Montreal fashion kids brand for families who like to stay ahead of trends. Let's bring fashion to your daily family life! Founders of BIRDZ, Stéphanie and Caroline are above all moms, sisters and businesswomen!