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Helmet shape is Intermediate Oval

Shape: Intermediate Oval

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Klim X1 Alpha Helmet

The X1 Alpha Helmet is the pinnacle of adventure helmet technology, developed by Klim over nearly five years for optimal aerodynamics, weight distribution, noise reduction and intuitive functionality. An advanced head protection system built with KOROYD technology absorbs impacts efficiently while managing heat better than any helmet before. Next-gen face shields provide optical Class 1 clarity, HD vision, UV protection and new infrared heat shielding, all of which reduce fatigue. With a direct control ventilation system, including a defogger mode, X1 Alpha offers superior comfort and protection. Ride protected in the most groundbreaking adventure helmet ever built.

Shell:

  • Carbon fiber hand-laid outer shell
  • Shell construction process reduces imperfections and excess weight
  • KOROYD + EPS shell construction optimizes impact protection and reduces heat absorption with direct ventilation through KOROYD® structure and EPS channeling
  • KOROYD structures crush homogeneously for better impact energy absorption
  • Shell, peak visor, ventilation ports, gasketing and liner system optimized for best-in-class aerodynamics and reduction in wind noise and vibration
  • Helmet is goggles-compatible
  • 3 shell sizes: XS-M, L, XL-3XL
  • 5 EPS sizes: XS-S, M, L, XL, 2X-3X

Peak:

  • Peak visor engineered for on-the-fly angle changes with tool-free adjustment, removal and reattachment
  • Peak visor and rear spoiler designed to reduced drag, lift, and optimize directional-view control while riding at high speeds

Shield:

  • Clear & photochromic face shields included
  • Tool-free face shield removal is fast & easy
  • Eye port gasket engineered to reduce vibration, noise and increase resistance to harsh weather conditions
  • Face shield side plate mechanisms engineered to self-calibrate for tight sealing
  • Included PINLOCK anti-fog lens insert optimized for X1 Alpha maintains optical class 1 clarity, huge FOV
  • Photochromic face shield quickly transitions from dark to light
  • Both face shields have optical Class 1 clarity
  • Both face shields are optically correct, multi-thickness for minimized distortion
  • Both face shields offer HD vision
  • Both face shields have UV400 protection
  • Tinted & Photochromic face shields have infrared shielding for greatly reduced heat buildup

Ventilation:

  • 2 adjustable, water-resistant forehead intake vents
  • 1 adjustable upper chin guard direct diffuser vent for face shield 
  • 1 adjustable lower chin guard direct vent for cabin interior 
  • 4 Exhaust vents

Comfort:

  • 4-ride-mode versatility: ADV, Dual-Sport, Off-Road, Street
  • Channeled EPS + KOROYD construction for airflow and heat control
  • EPS + KOROYD layering construction reduces heat transfer from shell
  • Removable and washable moisture-wicking antibacterial premium Brrr° Pro Cooling fabric lined cheek pads and crown liner
  • Interchangeable/replaceable cheek pads and crown liner thicknesses within sizes
  • Premium perforated goat leather trim on chin skirt with elastic gusset for comfortable on/off 
  • Chin skirt reduces buffeting
  • Premium perforated goat leather and spacer mesh on neck roll for comfort, reduced buffeting
  • Recessed ear pockets for comm system speakers

Safety:

  • DOT and ECE 22.06 certified
  • Titanium D-ring chin strap closure system
Product Style RevZilla Item # Store Sku MFR. Product # Availability
Product Style Carbon Matte Black / XS RevZilla Item #10433260 Store Sku MFR. Product #3550-000-110-001 AvailabilityOnly 2 Left: Ships within 24 hours
Product Style Carbon Matte Black / SM RevZilla Item #10433261 Store Sku MFR. Product #3550-000-120-001 AvailabilityIn Stock: Ships within 24 hours
Product Style Carbon Matte Black / MD RevZilla Item #10433262 Store Sku MFR. Product #3550-000-130-001 AvailabilityIn Stock: Ships within 24 hours
Product Style Carbon Matte Black / LG RevZilla Item #10433263 Store Sku MFR. Product #3550-000-140-001 AvailabilityAvailable: Ships in 5-7 business days
Product Style Carbon Matte Black / XL RevZilla Item #10433264 Store Sku MFR. Product #3550-000-150-001 AvailabilityAvailable: Ships in 5-7 business days
Product Style Carbon Matte Black / 2XL RevZilla Item #10433265 Store Sku MFR. Product #3550-000-160-001 AvailabilityAvailable: Ships in 5-7 business days
Product Style Carbon Matte Black / 3XL RevZilla Item #10433266 Store Sku MFR. Product #3550-000-170-001 AvailabilityAvailable: Ships in 5-7 business days
Product Style XS / Hi-Viz Yellow/White RevZilla Item #10433232 Store Sku MFR. Product #3550-000-110-005 AvailabilityOnly 2 Left: Ships within 24 hours
Product Style SM / Hi-Viz Yellow/White RevZilla Item #10433233 Store Sku MFR. Product #3550-000-120-005 AvailabilityIn Stock: Ships within 24 hours
Product Style MD / Hi-Viz Yellow/White RevZilla Item #10433234 Store Sku MFR. Product #3550-000-130-005 AvailabilityIn Stock: Ships within 24 hours
Product Style LG / Hi-Viz Yellow/White RevZilla Item #10433235 Store Sku MFR. Product #3550-000-140-005 AvailabilityIn Stock: Ships within 24 hours
Product Style XL / Hi-Viz Yellow/White RevZilla Item #10433236 Store Sku MFR. Product #3550-000-150-005 AvailabilityIn Stock: Ships within 24 hours
Product Style 2XL / Hi-Viz Yellow/White RevZilla Item #10433237 Store Sku MFR. Product #3550-000-160-005 AvailabilityIn Stock: Ships within 24 hours
Product Style 3XL / Hi-Viz Yellow/White RevZilla Item #10433238 Store Sku MFR. Product #3550-000-170-005 AvailabilityIn Stock: Ships within 24 hours
Product Style XS / Matte Peyote/Teak RevZilla Item #10433239 Store Sku MFR. Product #3550-000-110-004 AvailabilityIn Stock: Ships within 24 hours
Product Style SM / Matte Peyote/Teak RevZilla Item #10433240 Store Sku MFR. Product #3550-000-120-004 AvailabilityIn Stock: Ships within 24 hours
Product Style MD / Matte Peyote/Teak RevZilla Item #10433241 Store Sku MFR. Product #3550-000-130-004 AvailabilityAvailable: Ships in 5-7 business days
Product Style LG / Matte Peyote/Teak RevZilla Item #10433242 Store Sku MFR. Product #3550-000-140-004 AvailabilityAvailable: Ships in 5-7 business days
Product Style XL / Matte Peyote/Teak RevZilla Item #10433243 Store Sku MFR. Product #3550-000-150-004 AvailabilityAvailable: Ships in 5-7 business days
Product Style 2XL / Matte Peyote/Teak RevZilla Item #10433244 Store Sku MFR. Product #3550-000-160-004 AvailabilityIn Stock: Ships within 24 hours
Product Style 3XL / Matte Peyote/Teak RevZilla Item #10433245 Store Sku MFR. Product #3550-000-170-004 AvailabilityIn Stock: Ships within 24 hours
Product Style XS / Metallic Asphalt/Monument RevZilla Item #10433246 Store Sku MFR. Product #3550-000-110-003 AvailabilityOut of Stock
Product Style SM / Metallic Asphalt/Monument RevZilla Item #10433247 Store Sku MFR. Product #3550-000-120-003 AvailabilityOnly 2 Left: Ships within 24 hours
Product Style MD / Metallic Asphalt/Monument RevZilla Item #10433248 Store Sku MFR. Product #3550-000-130-003 AvailabilityOut of Stock
Product Style LG / Metallic Asphalt/Monument RevZilla Item #10433249 Store Sku MFR. Product #3550-000-140-003 AvailabilityOut of Stock
Product Style XL / Metallic Asphalt/Monument RevZilla Item #10433250 Store Sku MFR. Product #3550-000-150-003 AvailabilityOut of Stock
Product Style 2XL / Metallic Asphalt/Monument RevZilla Item #10433251 Store Sku MFR. Product #3550-000-160-003 AvailabilityAvailable: Ships in 5-7 business days
Product Style 3XL / Metallic Asphalt/Monument RevZilla Item #10433252 Store Sku MFR. Product #3550-000-170-003 AvailabilityOut of Stock
Product Style XS / Metallic High Rise/Monument RevZilla Item #10433253 Store Sku MFR. Product #3550-000-110-002 AvailabilityOut of Stock
Product Style SM / Metallic High Rise/Monument RevZilla Item #10433254 Store Sku MFR. Product #3550-000-120-002 AvailabilityAvailable: Ships in 5-7 business days
Product Style MD / Metallic High Rise/Monument RevZilla Item #10433255 Store Sku MFR. Product #3550-000-130-002 AvailabilityAvailable: Ships in 5-7 business days
Product Style LG / Metallic High Rise/Monument RevZilla Item #10433256 Store Sku MFR. Product #3550-000-140-002 AvailabilityIn Stock: Ships within 24 hours
Product Style XL / Metallic High Rise/Monument RevZilla Item #10433257 Store Sku MFR. Product #3550-000-150-002 AvailabilityAvailable: Ships in 5-7 business days
Product Style 2XL / Metallic High Rise/Monument RevZilla Item #10433258 Store Sku MFR. Product #3550-000-160-002 AvailabilityAvailable: Ships in 5-7 business days
Product Style 3XL / Metallic High Rise/Monument RevZilla Item #10433259 Store Sku MFR. Product #3550-000-170-002 AvailabilityAvailable: Ships in 5-7 business days

Klim Helmet Sizing

Size Head (cm)
XS 52
SM 54-55
MD 56-57
LG 58-59
XL 60-61
2XL 62-63
3XL 64-65
4XL 66

Sizing information is provided by the manufacturer and does not guarantee a perfect fit.


How to Measure

  • H Head
    Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, repeat for good measure and use the largest measurement.
Product Description
Part Numbers
Sizing & Fit
13 Customer Reviews
13 4/5
3 Questions & 7 Answers
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