Klim F3 Lightning Helmet

The Klim F3 Helmet is a most-valuable riding partner. Klim took helmet technology and tossed it. With the F3, riders enjoy up to 10% smaller external dimensions and a sleeker, more comfortable fit from three shell sizes. Composite shell construction  means the F3 can be strong and lightweight in a modern, sleek design. Structure Mapped Composite construction, a complete comfort liner system, intelligent ventilation and Klim legendary quality combine in the F3 Helmet


  • Engineered to minimize neck fatigue and maximize impact protection
  • Constructed with KLIM's Structure Mapped Composite base material lay up, the F3 optimizes strength in all the right areas while reducing overall weight
  • Three shell sizes: SM, MD-LG, XL-4XL
  • Effective intelligent ventilation system with thirteen intake vents combined with six exhaust ports to provide optimal heat dispersion even while stationary
  • Features the widest unobstructed field of view in its class
  • Custom EPS and internal liner systems to secure the rider's head completely
  • 3D ergonomic cheek pads and liner foam are optimized for a great fit
  • Works in conjunction with market leading neck brace technology
  • Meets or exceeds ECE and DOT standards
  • Klimatek Fabric liner systems utilize adaptive smart foam technology and anti-microbial/bacterial fast-wicking textiles
  • Available online only, not available in stores
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Product Style Item # Manufacturer Product # Availability
Red / SM 1125616 3110000120004 In Stock: Requires 1-2 business days of lead time prior to shipment
Red / MD 1125621 3110000130004 In Stock: Requires 1-2 business days of lead time prior to shipment
Red / LG 1125626 3110000140004 Only 1 Left: Ships next business day
Red / XL 1125631 3110000150004 Out of Stock
Red / 2XL 1125636 3110000160004 Out of Stock
Red / 3XL 1125641 3110000170004 Out of Stock