Summer hikes mean summer sun. Ultralight, built for breathable comfort, and delivering UPF 50+ protection, the Sima is made for hot-weather adventure. The 100% recycled Diem™ polyester dries fast and feels soft on your skin. The back’s vented for added comfort, a low-profile hood extends protection, stretch and articulation remove restriction, and it stuffs into its side pocket to easily fit in your pack.