The Hiker's Hat features cooling insert technology in sustainable organic cotton with spandex, bonded mesh insert and UV protection rated 50+ to keep you happy and safe under the hottest of summer rays. This hat offers UPF 50+ protection and is guaranteed for life. It also features a DWR (Durable Water Repellent) Finish, a hidden pocket, is sustainable, buoyant, and has moisture-wicking Hydrofil®. It includes a tuckaway wind cord and mesh. The materials are bluesign® approved and OEKO-TEX® certified. It is also made in Canada.