Turtle Fur Kids Comfort Shell Frost Liner Lightweight Earflap Helmet Liner Tech Fabric: Comfort Shell Size: Kids, ages 2-7. Dimensions - 9.875"(w) x 8"(h). Single-layer Comfort Shell Performance Fabric - 92% Polyester, 8% Spandex UPF 50+ Sun Protection - Blocks 97% of UV Rays Machine Wash Cold, Tumble Dry Low Heat Pefect for skiing, snowboarding, sledding, biking and other outdoor adventures.