FeaturesASTM Certified SafetySki Helmet designed for both comfort and safety. Equipped with reinforced ABS shell & shock-absorbing EPS core.Airflow Ventilation ChannelsThe ski and snowboard helmet is equipped with 14 individual vents for hours of comfortable skiing. No more over-heat!Stay Warm & ComfortableRemovable ear pads help you adjust to the temperature easily. These removable ear pads & inner fleece liner are comfy and super easy to clean!Adjustable SizeSize adjustment dial for a perfect fit. Ski helmet size chart: S: 19-20.5 inches (48 - 52cm) M: 20.5-23 inches (52 - 58cm) L: 22-24 inches (56 - 61cm)Color-Optimization TechnologyUltra anti fog snowboard goggles featured with Color-Optimization Technology provide high-definition optics by boosting the contrast on the snow field, especially in flat light conditions. It helps you to spot irregularities quickly when sliding down the slopes.Best Anti-fog GogglesUltra Anti-Fog Coating for ski goggles provides triple-effect reinforced fog-free performance compared with ordinary lenses. It allows the lens to absorb a significantly higher amount of moisture within less time. Combined with our triple-layer foam that maximizes air ventilation, you will enjoy a fantastic skiing experience with zero fogging.Extra Wide Field of View1. Toric Lens combines the low distortion of the cylindrical lens and the wide field of view of the spherical lens. 2. 100% UV protection can filter UV rays and reduce visual fatigue.3. OTG Design allows you to wear your glasses comfortably under the goggles. (Maximum size for glasses: Length: 5'3'' Width: 1'65'')Super HD TechnologyOutdoor Master's exclusive, highly refined polished lens surface largely reduces the refraction, allowing the focus to fall precisely on the retina. This innovative feature would let you easily see everything crystal clear with less eye strain.One-second Lens SwapWith the use of the quick-release magnetic frame design, you would be able to change out lenses effectively and efficiently at a fraction of the time of alternatively mounted options. Official Supplier of the U.S. Ski & Snowboard TeamAlthough the brand is young, we have become an official supplier to the U.S. Ski Team with our innovation and reliable quality. By sponsoring USCSA (US Collegiate Ski & Snowboard Association), we also support young people to inspire their potential.Choice of Professional AthletesMany professional athletes have been impressed with the quality and technology of Outdoor Master products and have chosen to become ambassadors for our brand. We also constantly improve and upgrade our products through feedback from our athletes in training and competition.