Vemar · Kona
Vemar Kona シルバーメタリック
Quick Facts at a Glance
Verified Safety Snapshot
How this helmet’s verified certifications map to recognized safety homologations and crash testing.
Safety standards compliance is based on official manufacturer documentation and public safety laboratory test results. Always verify regional compliance labels on the physical helmet prior to use.
Verified Fit & Sizing Guide
Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.
Vemar Kona is a dual-sport/adventure helmet designed for versatility. It typically features an oval-to-extended oval head shape suitable for most riders, with a focus on ventilation and open-face style comfort rather than full-face protection features like integrated speakers or HUD mounts.
How to measure
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, and repeat for consistency.
Design Concept & Background
"Passion for Riding"
The Vemar Kona is crafted for all-terrain explorers transitioning from tarmac to rugged single-track, bridging highway aero efficiency with rugged off-road ventilation. Built around a High-Performance Fiberglass Composite (HPFC) shell weighing 1411g, its multi-density EPS matrix is aerodynamically sculpted to isolate cabin noise to ~88 dB while dissipating kinetic impact forces across ECE 22.06 benchmarks. Inside, 3D laser-cut cheek pads tailor naturally to an Intermediate Oval profile with dedicated eyewear relief channels, secured by track-proven Double D-Ring retention for confident all-day riding.
Rider Profile & Intended Use
購入先
| 販売店 | 価格 | Availability | |
|---|---|---|---|
| Amazon (US) | 現在の価格を確認 | サイトで見る | 価格を確認 → |
価格履歴とトレンド
ℹ️ Helmetsanは、独立したオートバイの安全性・意思決定エンジンです。価格を確認したり、小売店のリンク経由で購入したりすると、追加費用なしでHelmetsanがアフィリエイト報酬を受け取る場合があります。
Product Concept & Specifications
Vemar (Italy)Engineering & Biomechanical Safety Analysis
El Vemar Kona cuenta con una carcasa de fibra de vidrio duradera certificada bajo los últimos estándares de seguridad ECE 22.06 para una mayor protección contra impactos. Su interior está revestido con un acolchado de confort extraíble y transpirable, diseñado para adaptarse a una forma de cabeza ovalada intermedia para un ajuste seguro. La ventilación se gestiona a través de entradas de aire ajustables y salidas traseras, garantizando un flujo de aire constante para viajes de larga distancia en modalidad adventure.
The Vemar Kona シルバーメタリック is engineered as a high-integrity Adventure/Dual Sport protective system, utilizing a structural shell constructed from Fiberglass. This structural layup is engineered to provide progressive kinetic energy dissipation during impact deceleration, distributing localized shock across outer lamina layers while minimizing deformation transfer into the internal multi-density EPS liner.
Certified to ECE 22.06 protocols, the architecture is subjected to rigorous linear deceleration limits and oblique impact evaluations to mitigate rotational acceleration forces associated with diffuse axonal injury. For a deeper breakdown of rotational thresholds and impact testing speeds, consult our ECE 22.06 vs DOT vs SNELL engineering benchmark.
Internal geometry follows a Intermediate Oval cranial profile, designed to mitigate focal pressure hot spots across the parietal ridges while maintaining uniform radial clamping pressure along the zygomatic arch. Riders seeking optimal retention stability and break-in guidance should review the cranial aspect ratios and head shape guide as well as our 3D cheek pad density protocol.
Shell composite integrity and acoustic sealing are further optimized through channelized EPS porting and aerodynamic laminar profiling. To learn how shell composites resist stress cracking under prolonged environmental cycling, inspect the composite material comparative matrix.
Fit & Shell Structure
Intermediate Oval Shape
Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.
Safety & Certifications
Acoustics & Aerodynamics
Technology & Convenience
Interactive Size & Fit Finder
Vemar Kona is a dual-sport/adventure helmet designed for versatility. It typically features an oval-to-extended oval head shape suitable for most riders, with a focus on ventilation and open-face style comfort rather than full-face protection features like integrated speakers or HUD mounts.
How to measure
Wrap a cloth measuring tape around your head just above your eyebrows and ears. Pull the tape comfortably snug, read the length, and repeat for consistency.
Compare & buy
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Calibrated for upright windscreen deflection, all-terrain dust filtration, and long-travel suspension dynamics.
Data Confidence & Verification Provenance
Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.