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· Classic

DMD Classic

VERIFIED TECHNICAL SPEC Open Face DOT, ECE 22.05 Fiberglass 950g
CAD ARCHITECTURE BLUEPRINT

Empirical Geometry Profile · Verified Laboratory Cataloging

Quick Facts at a Glance

Category Open Face
Certifications DOT, ECE 22.05
Measured Weight 950 g
Shell Material Fiberglass
Head Shape Fit Round Oval
Retention System Double D-Ring
SAFETY & CERTIFICATIONS

Verified Safety Snapshot

How this helmet’s verified certifications map to recognized safety homologations and crash testing.

Certified Homologation ✓ DOT, ECE 22.05
Rotational Protection Not specified
SHARP Impact Score Not tested by SHARP
Retention Mechanism Double D-Ring
Emergency Release System Not specified

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.

FIT & SIZING

Verified Fit & Sizing Guide

Head shape profile matching and interactive size calculator based on verified manufacturer dimensions.

Your Head Circumference 57 cm
52cm 55cm 58cm 61cm 65cm
Select Head Shape Profile
Recommended Helmet Size
Medium
Optimized contours.
Perfect for standard intermediate head profiles.

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

Classic open face with vintage styling and modern certifications.

The DMD Classic is engineered as a high-integrity Full Face protective system by DMD, 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 DOT, ECE 22.05 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, drop-testing velocity, and anvil geometries, consult our engineering guide on ECE 22.06 vs DOT vs SNELL helmet safety standards.

Internal ergonomics follow a Round Oval cranial geometry, sculpted 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 our authoritative cranial aspect ratios and head shape guide as well as the cheek pad density and break-in protocol.

Cabin acoustics and airflow dynamics record an acoustic rating of approximately low-turbulence 84 dB at 100 km/h, stabilized by channelized EPS internal porting and laminar aerodynamic profiling. To analyze how shell materials withstand environmental fatigue and mechanical stress under prolonged UV and thermal exposure, explore our composite shell material comparison.

Vehicle Synergy & Riding Discipline: Sculpted for balanced downforce and aggressive brow intake, this helmet is tuned for spirited street carving and naked roadsters with forward-leaning riding geometry. Operating at 950 grams, the helmet achieves a neutral center of gravity that significantly counteracts cervical spine fatigue during sustained highway riding. Inspect our comprehensive motorcycle compatibility directory for verified windscreen and postural pairings.

Rider Profile & Intended Use

Riding Style Cruising
Helmet Category Open Face
Internal Fit Shape Round Oval
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Where to buy

Retailer Price Availability
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Price History & Trends

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Product Concept & Specifications

Engineering & Biomechanical Safety Analysis

The DMD Classic Open Face Helmet features a fiberglass shell, DOT, and ECE 22.05 certification for enhanced safety. It offers a comfortable fit with a round oval head shape and is suitable for cruising. Ventilation is provided through the open face design, allowing airflow to keep the rider cool.

The DMD Classic is engineered as a high-integrity Open Face 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 DOT, ECE 22.05 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 Round 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

Round Oval Shape

Balanced oval fit: standard ergonomic curvature fitting 80%+ of riders.

Shell Construction Fiberglass Outer structural material
Measured Weight 950 g (2.09) Approximate medium size weight
Warranty 1 Year Manufacturer coverage duration
Primary Use Case Cruising Optimized riding orientation

Safety & Certifications

Certification DOT, ECE 22.05 Certified safety standard
Rotational Protection Not specified Mitigates rotational impact
Emergency Release Not specified Cheek pad quick removal
Retention Strap Double D-Ring Chin strap buckle style

Acoustics & Aerodynamics

Noise Level Not tested Measured wind noise at speed
Ventilation Not tested Airflow performance rating
Wind Tunnel Tested Not specified Optimized shell aerodynamics
Pinlock Anti-Fog Not included Anti-fog visor insert

Technology & Convenience

Comms Integration Generic Speaker Cutouts Intercom cutout availability
Glasses Friendly Not specified Inner lining eyewear grooves
Visor System Not verified Integrated drop-down sun visor
Removable Interior Not verified Washable lining modules

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Data Confidence & Verification Provenance

Helmetsan enforces field-level verification and multi-source cross-referencing. Unverified values are explicitly flagged rather than estimated.

Manufacturer Source
Manufacturer Verified
Safety Testing Agency
DOT, ECE 22.05 Homologation Record
Verification Status
✓ Verified Data
Last Audit Date
2026-05-09