Hands down the best kids hat. Lightweight to wear, tons of sun protection. Adjustable sizing and a strap that adjusts to keep it from blowing away. Smoke free pet free home. 2¾" - 3¾" Down-Sloping Brim With Floatable Foam Core Full 5½" - 6" Neck Veil Protecting Back Of Neck UPF 50+ Certified Sun Rating (Mesh Vents Not Rated) Strategic Mesh Ventilation Water Repellent/Stain Resistant Packs Flat For Travel Smartstrap® Breakaway Chinstrap Technology Adjustable Sizing Weight: 1.8 Ounces/51.0 grams