We designed the Highliner PrimaLoft Air - Perm Fleece 1 / 4 - Zip for year - round explorers who value comfort and versatility. From hiking ridgelines to enjoying post - hike views, this midlayer delivers a balance of performance and construction. PrimaLoft Active Evolve fleece mimics the natural properties of animal fur, keeping us cool during activity and trapping warmth at rest. Its ultra - lightweight, 100 % polyester pile fleece offers softness and breathability while reducing environmental impact. This fleece is a trail - to - town essential packed with thoughtful details like integrated thumbholes, a hidden packable pocket, and an active fit. Whether layered under a shell or worn solo, the Highliner 1 / 4 - Zip ensures we're prepared for any adventure while embracing the spirit of exploration.