Baseball Protection UPF50 Whistle Cordlock Boys' Accessories for Hats & Caps Review

100% Nylon. Elastic closure. [SIZING] HEAD CIRCUMFERENCE of 19-24 inches, 4 SIZES available. Small for 19.7-20.5 inches, Age 2-3, Medium for 20.5-22 inches, Age 4-7, Large for 22-23 inches, Age 8-12, X-Large for 23-24 inches, Age 12 above. The fit ranges from toddlers to kids and grown-ups. The elastic band and ponytail design behind the cap adjust the head circumference, making it the most comfortable. [EXCELLENT SUN PROTECTION] 99.9% UV cut, UPF50+ rating Fabric, Baseball cap visor and long Neck Veil cover kids pefectly from the sunrays. It provides your child with Excellent Sun Protection, protecting the child's head, ears, face and back of neck from harmful UV rays for outdoor activities without concerns of sunburn. [WHISTLE CORDLOCK] Patented Cordlock and Whistle in One helps kids use a whistle when they're in emergency. They can have fun with Whistle while outdoor activities and they're willing to wear hats. Great tool for kids who don't like wearing hats. [PREMIUM MATERIALS] Outer Fabric is Kids-safe, cool, durable, lightweight, water-repellent, quick-drying and comfortable. The inner premium Sweatband is made by Coolmax by Dupont, absorbing sweat quickly and drying fast. Both side panels of suncaps are made by breathable, punched fabric that allow heat to escape and air to flow. [FUNCTIONAL & VERSATILE] Light-weight and packable suncaps for easy carrying and storage. This fashion kid's suncap is the best choice for travelling and outdoor activities such as swimming, fishing, exploring, hiking, camping, picnic, kids playing at the beach, pool, park, backyard etc.