The next stop in the evolution of the neck gaiter from Seirus: microfleece construction with a zip that allows increased adjustability over classic neck gaiter design so you can regulate your temperature more easily. Looks killer too!FEATURES: Performance Microfleece Wicking Quick Drying Breathable Lightweight Non-Pilling Neck Gaiter with Zip for Ease of UseMicrofleeceThe reference standard for lightweight warmth and breathability. Moisture wicking and quick drying these fabrics have been the primary insulation layer of choice among experienced outdoor enthusiasts for nearly three decades.