KAVU Trailrunner Hat 5 panel design, ventilation mesh panels Black under bill, patterned nylon tubular webbing with KAVU adjustment Fabric: 100% nylon <span class="a-text-bold">Water Resistant High Quality Materials</span> - Made from 100% polyester - water resistant. Available in three sizes: Medium (7  inches diameter), Large (7  inches diameter). <span class="a-text-bold">Your Adventure Protector </span>- KAVUs Trail Runner is a lightweight low profile hat that is unmatched in its durability and style. Designed to stay on your head in any environment, this hat will keep you dry, cool and protected from the sun. <span class="a-text-bold">Super Durable</span> - The Trail Runners nylon tubular webbing has four reinforcement stitches - so its almost indestructible. Also, the bill is made from polyurethane thats stronger than cardboard and will never get waterlogged. <span class="a-text-bold">Adjustable and Trustable </span>- The Trail Runner comes in two sizes, all of which have an adjustable head strap. Also - the ventilation mesh panels and interior headband is made from moisture-wicking fabric, which keeps you cool and dry. <span class="a-text-bold">American Made Since 95 </span>- Like all of KAVUs visors, caps and sun hats, the Trail Runner is constructed in Seattle, WA, where it was designed over 20 years ago. Theyre exclusive to this season, so once they are sold out, they will not be reprinted.