The Trek Velocis has two horizontal vents spanning your forehead, five large intake vents across the front and sides of your head, and three more at the top

Features: emergency cheek pads NERS - Nolan Emergency Release System ultra-wide visor with anti-scratch coating Airbooster technology ensures optimum ventilation removable Clima Comfort inner part adjustable sun visor with anti-fog coating and automatic retraction system compatible and prepared for N-Com systems & ESS III emergency brake signal adjustable Pinlock pegs visor with quick release system padding with mesh construction environmentally friendly fabric suitable for spectacle wearers Specifications: Homologation: P Material: Polycarbonate Lexan Standard: 22.06 Closure: Micrometric ratchet closure Visor type: ultra-wide visor, anti-scratch coating, Pinlock Sizes: Helmet size / head circumference: 2XS - 54 cm XS - 55 cm S - 56 cm M - 58 cm L - 60 cm XL - 62 cm 2XL - 64 cm 3XL - 65 cm Contents: 1 x Nolan N80-8 Wanted N-Com Helmet 1 x Pinlock 1 x helmet bag

1903s milky white agate line guide housed in nickel silver ring, 3-screw silver quick release latch plate cap, conveniently placed rim-mounted brass drag tension adjuster screw, 2-screw smooth brass foot, tan ebonite winding knob and a silky smooth dual pawl and spring drag system that simply purrs
Web ergo handle
See my post here on how I fit everything I needed into this pack
Innovative Ventilation: An advanced ventilation system to keep you cool and focused in every situation