Size: Free Design: * A unique Calidum design. * Features a classic 5-panel design. * A versatile, seasonless cap suitable for any occasion. * Performs well on the trail, while relaxing at camp, or running errands in the city. * The material stretches to conform to the head, and the TPU strap and buckle at the back ensure a secure fit. Material: * Uses mesh material with the same construction as the Conceal climbing harness. * Spacer mesh headband controls moisture. * Tech material with excellent breathability, stretch, and durability. Silhouette/Size: * Adjustable with a buckle at the back. ARC'TERYX Calidum 5 Panel Hat CALIDUM