G-Form X4 Knee Guards
Best breathable knee protection for all-day mountain biking comfort.
These pads finally solve the bulk problem, offering serious impact protection that feels like a second skin rather than a suit of armor. While they prioritize ventilation and all-day comfort over heavy-duty downhill shielding, they are the perfect choice for riders who want to forget they’re wearing protection until the moment they actually need it.
$89.99
at
G-Form
Who it's for
- Aggressive riders needing reliable, CE-certified impact safety
- Endurance cyclists prioritizing all-day pedaling comfort
- Trail riders preferring discreet, low-profile protection
Who should skip it
- Downhill racers needing maximum abrasion resistance
- Riders in hot climates prone to overheating
- Cyclists seeking long-term gear durability
Performance breakdown
Impact Protection
SmartFlex technology hardens instantly on impact for reliable, high-level joint safety.
Pedaling Comfort
Pre-curved ergonomic design ensures zero restriction during long, demanding climbs.
Breathability
Strategic venting and compression fabric keep legs cool on sweltering rides.
Fit Security
Dual grippers lock the pads in place, preventing annoying mid-ride adjustments.
Profile Slimness
Low-profile construction fits easily under pants without looking bulky or awkward.
Maintenance Ease
Machine washable materials make post-ride cleanup quick and completely hassle-free.
Key Specs
Featuring SmartFlex®
Flexible pads that harden upon impact to absorb force and then immediately return to flexible state.
New pre-curved SmartFlex pad provides a flexible, ergonomic, and secure fit.
Extended coverage in critical areas for added protection.
Internal pad geometry and molded vents optimize heat management.
Guards easily slip on, but molded fit reduces the need for frequent adjustments.
Interior top red gripper and textured elastic bottom gripper keep guards securely in place.
Breathable compression fabric with enriched materials, including ribbed side paneling for added comfort.
Machine washable.
Know before you buy
Still have a question?
Ask Metto anything about the G-Form X4 Knee Guards before you decide.