Fly Sentinel Helmet Recon is built for street riders who want protective coverage, clear vision, ventilation, and practical day-to-day comfort in one helmet.ECE Approved / DOT Approved (FMVSS218 Approved)Durable and lightweight polycarbonate blend shellDual density EPS liner – two layers of EPS, one softer, one slightly harder combine to provide a more progressive impact absorption for different levels of impactVisionOptically superior clear face shield with anti-fog coating and durable hard coating for scratch resistanceTinted drop down inner sun shield. 100% UVA/B protection up to 400 nanometersShield lock provides piece of mindEasy shield changes quick, secure and tool less removal and installationComfort / LinerQwick - Dry® comfort liner and cheeks pads. Hydrophilic liner absorbs sweat and is perforated to provide plenty of ventilationSpeaker pockets built into the EPS for Bluetooth/Comm systemsRemovable, washable interior and removable chin curtainVentilationHigh-Flow ventilation system, 6 adjustable intake vents, 5 exhaust ventsRemovable breath deflector helps direct airflow upwards across the shield for fog free visionSoft fleece helmet bagOptional mirror & tinted shields availableAccessoriesOptional tinted and mirror shields availableWhy riders choose it Impact-management shell and EPS construction support street protection Ventilation and removable comfort components help manage longer rides Integrated vision features reduce the need to stop as light or conditions change FLY adult helmet size chart Size Head circumference Centimeters X-Small 20.5–21.25 in. 53–54 cm Small 21.25–22 in. 55–56 cm Medium 22–23 in. 57–58 cm Large 23–23.75 in. 59–60 cm X-Large 24–24.5 in. 61–62 cm 2X-Large 24.5–25.25 in. 63–64 cm How to measure: Wrap a soft tape around the widest part of the head, approximately one inch above the eyebrows and over the largest portion at the back. A new helmet should feel evenly snug without painful pressure points.Rider-informed FAQsHow do I choose the correct size?Measure the widest part of the head above the eyebrows and compare with FLY’s street-helmet chart. A new helmet should feel evenly snug without isolated pressure points; it should not rotate independently of the head.Can I install a communicator?The listed speaker pockets are intended to simplify Bluetooth or intercom installation. Confirm speaker thickness and microphone routing for your specific system.How should I manage fogging?Use the vents and breath deflector as designed, keep the shield clean, and use the compatible anti-fog or Pinlock option only when the specifications identify one.
