Description of K2 Edge Ski Helmet As with all K2 helmets, the Edge fits comfortably while meeting the highest test standards for ski and snowboard helmets. If that isn’t enough, the clean lines and at a minimal weight make purchasing this helmet a “no brainer” Lightweight performance without breaking the bank. Features: Passive Ventilation K2dialed Fit System Basline Audio System included Washable head liner Removable ear liners with audio pocket