✔️MATERIAL: This cap is made of 70% cotton, 30% polyester. ✔️CLOSURE TYPE: Adjustable hook & loop closure ✔️CARE: Spot clean only. ✔️GREAT QUALITY: Solid caps are 100% cotton. Mesh/trucker caps are 70% cotton 30% polyester. Lightweight super soft finish. Exceptional quality. ✔️GREAT FIT: One size. With the hook & loop closure, the inner circumference of this hat measures approximately 22 inches, but it can adjust to measure anywhere between 20 and 24 inches, fitting several various head sizes. Brim length is approximately 2.75 inches. Easy to wear comfortably with a pony tail or messy bun. ✔️WHY YOU WILL LOVE IT: Sport this cap with hair down, up in a messy bun, ponytail, or wear your hair through the slot without a ponytail holder, great for running and working out – keeps hair off your neck to prevent sweating, comes in many colors to match your cute outfit, wear any day at any time and instantly look fun, flirty, and stylish!