Fit & Design: Ultralight Breathable Quick drying Shaped brim and nylon panels protect the face and eyes from the sun Low profile fits nicely under a helmet for alpine climbing and ski touring Dark fabric under the brim helps reduce glare Mesh panels ensure superior breathability Quick-release back buckle allows for on-the-fly adjustment Reflective Logo - Only when reflective is in color name Technology: UPF 40+ Sun Protection Water resistant Moisture-wicking TransAction headband keeps perspiration off the face and eyes Additional Details: Recycled nylon blend Weight: 7.76 oz/ 220 g bluesign(R) approved 60% Recycled Nylon 40% Nylon Shell 100% Polyester Mesh