GREAT LOOK: You and your child will rock this pony cap with the trendy new criss cross elastic bands they can wear their hair down, in a messy bun or ponytail. Look sporty and casual with a touch of sparkle. GREAT FIT: One size fits most. Childrens size: Inner circumference measures 20.5 inches, but adjustable hook and loop fastener adjusts between 18-22 inches. Brim length measures 2.5 inches. Adults size: Inner circumference of this hat measures 22 inches, but it can adjust to measure anywhere between 20 and 24 inches, fitting several various head sizes. Brim length is 2.75 inches.