Kid Jersey Satin Lined Slouchy Beanie Blue Reindeer and Turquoise Protects Hair From Damage. The beanie measures 18" around the head. Good for kids 5 years old and younger. Please measure your child's head before purchase to ensure this hat will fit. Thank you. This is our fun and seasonal kid jersey satin lined beanie, just in time for the holidays. The turquoise satin lining protects hair from damage and locks in moisture. Our cotton jersey fabric makes for a lightweight, chic and comfortable hat. We've taken something you know and made it healthier for your hair. The slouchy detail makes a fun and fashionable statement. Although they're lightweight, they're very warm, and will be a great accessory in the cooler months. These beanies can also be worn to sleep. They'll protect your little one's hair from breakage and split ends as well as lock in moisture.