Kask Zenith X2 AIR Max Climbing Helmet for Larger Heads
The Kask Zenith X2 Air is a sleek, hi-tech safety helmet made to exceed global safety standards with intense impact absorption and protection. The external shell carries the same shape of the previous Zenith helmets, but with advanced materials for greater energy absorption, while the D-Core low-density inner core protects the user from top impacts and the HD Crown high-density inner shell provides all-around impact protection. Since this helmet carries the self-adjusting ratchet system for the most secure and comfortable fit possible. This Air version comes with ventilation holes to keep your head nice and cool.
This MAX version is designed for climbers with larger heads from 60 cm to 66 cm (23.6 inches to 26 inches) in circumference.
SENA installation: 1 to 3 days to complete. It will ship as soon as it's completed.
- Unit will be installed "Mic in Muff". Kask SC1 muffs also included.
- If you prefer standard mic location, please mention it in your order comments. We do not recommend this way and broken wires are not covered under warranty.
External Shell: HD Polypropylene
Internal Shell: Neopor® Ccycled®by BASF | EPS obtained from chemical recycling of plastic waste.
Headband: Soft PA Nylon
Weight: 1.19 lb
Source: Made in the USA
Standards: ANSI Z89.1 Type I , Type II - Class E All around protection against impact and penetration including front, rear, and sides. EN 12492 Protection against side, front and rear impacts
Sizing: Adjustable from 60cm to 66cm
POLYPROPYLENE HD EXTERNAL SHELL
Lightweight external shell with exponential better performance. Excels in impact absorption, especially at lower temperatures (-30ºC). Resists yellowing and degradation.
D-CORE TECHNOLOGY
Helmet internal shell designed with a low-density inner core optimi-zed for top impact protection.
HD CROWN PROTECTION
Durable, high-density inner shell component that provides stronger side impact absorption, inner core protection, and is easy to clean.
CLICK-IN SYSTEM
Enhanced padding attachment system that quickly secures into place and allows for easy replacement, and removal. Patented system improves padding durability.
DRY+
Advanced composite fabric integrated with Hydrocool® moisture-wicking technology and exceptionally soft textiles for enhanced user comfort. Infused with a deodorizing silver ion treatment.
ADAPTIVE FIT SYSTEM
A size adjustment system which integrates three components for all-day comfort. A new, double diameter dial allows for easier size adjustments. Ergonomic side wings ensure a fast and secure fit against the back of the head. The patented Self Adaptive Live Hinge is the latest, self-adjusting fit technology that moves as the wearer moves.
VENTILATION CHANNELS
Helmet designed with 8 air intakes that maximize internal airflow through outflow channels providing exceptional helmet breathability.
FIRE RESISTANT CHINSTRAP
Material: acrylic webbing | Test: ASTM F2621 - Exposed at incident energy of 19 cal/cm² Fire-resistant, acrylic chinstrap. Low flammability, non-melting, self-extinguishing with no flame.
LATERAL ADJUSTMENT DIVIDER
Side regulator point on chinstrap for adjustment and positioning for a more tailored fit.
RING TO HOOK
Chinstrap loop that enables the wearer to securely attach the helmet to a harness or other items.
FRONTAL ACCESSORY SLOT
Front attachment point for advanced customization and easy integration of accessories such as badge holders and headlamps. Includes cap cover for debris protection.
REPLACEABLE LAMP CLIPS
Helmet designed with 4 removable nylon external lamp attachment clips. Compatible with KASK headlamps and industry headlamps with elastic bands.
EASY CLICK VISOR ADAPTERS
Attaches visors or face shields to helmet.
HI-VIZ NAMEPLATE
Designed with a high visibility nameplate for easy identification on the back of the helmet.
EARPLUG HOOKS
Helmet equipped with lamp clips designed with secure earplug holders for easy access.
EARMUFF ATTACHMENT SLOTS
Helmet designed with standard 30mm EURO slots for attaching KASK earmuffs.
ADVANCED CHINSTRAP
New, eco-leather chinstrap designed with new, rear adjustment points for a more personalized fit. Accommodates wider sizes and adapts to earmuff use. Color-coded fasteners indicate which EN standard the chinstrap meets.
Example of "Mic in Muff" installation:


- D-CORE & HD-CROWN TECHNOLOGY Neopor® Ccycled® internal shell that protects from all-around impacts
- ADAPTIVE FIT SYSTEM Size adjustment system that adapts to create a personalized, secure fit.
- VENTILATION CHANNELS 8 air intakes that enhance breathability and comfort.
- CLICK-IN SYSTEM Attachment system that lets padding easily snap in and out.
- DRY+ LINER Moisture-wicking fabric for enhanced comfort.
- LATERAL ADJUSTMENT DIVIDER Side adjustment points on chinstrap for secure fit.
- ADVANCED ECO-LEATHER CHINSTRAP 5 adjustment points and EN color-coded fastener.
- EARMUFF ADAPTER ATTACHMENT POINTS For adapters to secure earmuffs.
- RING TO HOOK Chinstrap loop that securely attaches helmet to a harness.
- REPLACEABLE LAMP CLIPS 4 lamp attachment clips designed to be removable.
External Shell: HD Polypropylene
Internal Shell: Neopor® Ccycled®by BASF | EPS obtained from chemical recycling of plastic waste.
Headband: Soft PA Nylon
Temperature Range: -22°F / +140°F
Weight: 1.19 lbs
Size Adjustment: 60 cm to 66 cm
Standards:
- ANSI Z89.1 Type I Type II, Class C HT-LT
- All around protection against impact and penetration including front, rear, and sides.
- EN 12492 for the following clauses only:
- Shock energy absorption capacity
- 4.2.1.2 front impact, 4.2.1.3 lateral impact,
- 4.2.1.4 rear impact
- 4.2.2 | Penetration
- 4.2.3 | Retention system strength
- 4.2.4 | Effectiveness of the retention system
- Shock energy absorption capacity







