Material & Size: This baby sun hat features a 100% premium muslin cotton exterior for breathability, paired with a soft polyester lining for comfort. The dual-layer construction provides UPF 50+ UV protection while keeping baby cool. Available in 2 sizes: 0-6 months (18" head circumference) and 6-12 months (20" head circumference) Sun Protection: Designed with your baby's safety in mind, this sun hat provides UPF 50+ protection, blocking up to 95% of UVA and UVB rays. Whether at the beach, park, or on summer adventures, it keeps your baby cool, comfortable, and fully shielded from the sun all day Adjustable & Secure: This baby bucket hat features an adjustable chin strap for a custom fit, ensuring both comfort and security. The windproof design keeps it in place, even on breezy days. With a wide brim, it offers full protection for your baby's face, neck, and eyes from the harsh sun Adorable & Stylish: This infant sun hat combines practicality with charm, featuring delightful patterns that elevate your little one's summer wardrobe. Its versatile design complements any outfit, blending fashion with function for a look that's both cute and timeless Easy to Pack & Wear: Lightweight and foldable, this newborn sun hat is perfect for on-the-go parents. The muslin fabric's natural texture ensures it keeps its shape without creases, even after being packed away. Its compact size makes it easy to store in any diaper bag, perfect for everyday outings or travel Material & Size: This baby sun hat features a 100% premium muslin cotton exterior for breathability, paired with a soft polyester lining for comfort. The dual-layer construction provides UPF 50+ UV protection while keeping baby cool. Available in 2 sizes: 0-6 months (18" head circumference) and 6-12 months (20" head circumference)