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    "generated_at": "2026-11-11T10:51:31+00:00",
    "post_type": "helmet",
    "metadata": {
        "id": 101503,
        "title": "X.404",
        "slug": "x-404",
        "url": "https://helmetsan.com/it/helmets/x-404/",
        "language": "it",
        "brand": "",
        "category": "Open Face",
        "featured_image": "",
        "excerpt": "Nexx Casco jet X.404 con visiera. Il X.404 è progettato da Nexx come un sistema protettivo ad alta integrità di tipo casco jet, equipaggiato con una calotta strutturale in calotta multi-composita avanzata con EPS. Questa stratificazione garantisce una dissipazione progressiva dell’energia cinetica in decelerazione da impatto, distribuendo lo shock sulle lamine esterne e riducendo al ... Leggi tutto",
        "modified": "2026-09-20T10:41:57+05:30"
    },
    "identifiers": {
        "sku": "NEX-NEXXX4",
        "ean13": "8435678912345",
        "mpn": "NEX-X404-OF-BLK",
        "asin_us": "B09X4M2K7L",
        "asin_status": "verified",
        "regions_covered": 22,
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                "asin": "B09X4M2K7L",
                "status": "verified"
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        }
    },
    "specifications": {
        "brand": "N/A",
        "helmet_family": "X.404",
        "material": "N/A",
        "weight_g": 1131,
        "weight_lbs": "2.49",
        "homologation_standard": "ECE 22.06",
        "sharp_rating": "5",
        "rotational_tech": "1",
        "strap_type": "Double D-Ring",
        "noise_db_at_100kph": 84,
        "comms_ready": "Generic Speaker Cutouts",
        "head_shape": "Intermediate Oval"
    },
    "variants": [
        {
            "id": "nexx_x_404_black",
            "entity": "helmet",
            "title": "Nexx X.404 Black",
            "type": "Open Face",
            "parent_id": "nexx_x_404",
            "helmet_family": "X.404",
            "head_shape": "Intermediate Oval",
            "color": "Black",
            "color_family": "Black",
            "sku": "NEX-X404-BLK",
            "finish": "matte",
            "is_graphic": false,
            "availability": "instock",
            "description": "The Nexx X.404 is a benchmark Open Face helmet crafted in Global Certified. Built around Advanced multi-composite aerodynamic shell geometry engineered for optimal impact absorption and stability, it is engineered specifically for Intermediate Oval ergonomics. Optimized for urban commuters and retro cruisers, offering lightweight agility, wide peripheral vision, and step-through convenience. Certified safety and ergonomic comfort for everyday riding confidence.",
            "product_details": {
                "description": "Nexx X.404 open face with shield."
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            "price": {
                "current": 149.99,
                "usd": 149.99,
                "eur": 137.99,
                "gbp": 118.49
            },
            "specs": {
                "material": "Composite",
                "weight_g": 1050,
                "weight_lbs": 2.31,
                "certifications": [
                    "ECE 22.05"
                ]
            },
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            "helmet_types": [
                "Open Face"
            ],
            "introduction": "Positioned in Nexx's Open Face lineup, the X.404 brings Portuguese engineering to riders seeking balance between weight, cabin acoustics, and impact protection. Designed for an Intermediate Oval fitment, it connects daily usability with certified ECE 22.05 track safety.",
            "story": "The Nexx X.404 represents Portuguese head protection design, incorporates aerodynamic shell sculpting and multi-density EPS impact damping. Its Composite shell dampens high-speed wind resonance while multi-density EPS channels absorb kinetic energy across direct and oblique impact vectors.nnOn the road, intake ports channel cool air across the scalp, keeping cabin noise around 84.5 dB at 100 km/h. For riders seeking a Composite Open Face helmet tailored to an Intermediate Oval head shape, the X.404 delivers verified safety and long-distance rider comfort.",
            "finish_profile": "Nexx X.404 Black (matte finish) u2014 Treated with a mirror-finish deep gloss clearcoat that repels road grime and simplifies bug cleanup.",
            "editorial_note": "Nexx X.404 in Nexx X.404 Black. The sweet spot for everyday street riders seeking lightweight comfort, crisp aerodynamics, and modern safety."
        },
        {
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            "entity": "helmet",
            "title": "Nexx X.404 Silver",
            "type": "Open Face",
            "parent_id": "nexx_x_404",
            "helmet_family": "X.404",
            "head_shape": "Intermediate Oval",
            "color": "Silver",
            "color_family": "Grey",
            "sku": "NEX-X404-SLV",
            "finish": "gloss",
            "is_graphic": false,
            "availability": "instock",
            "description": "The Nexx X.404 is a benchmark Open Face helmet crafted in Global Certified. Built around Advanced multi-composite aerodynamic shell geometry engineered for optimal impact absorption and stability, it is engineered specifically for Intermediate Oval ergonomics. Optimized for urban commuters and retro cruisers, offering lightweight agility, wide peripheral vision, and step-through convenience. Certified safety and ergonomic comfort for everyday riding confidence.",
            "product_details": {
                "description": "Nexx X.404 open face with shield."
            },
            "price": {
                "current": 149.99,
                "usd": 149.99,
                "eur": 137.99,
                "gbp": 118.49
            },
            "specs": {
                "material": "Composite",
                "weight_g": 1050,
                "weight_lbs": 2.31,
                "certifications": [
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                ]
            },
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            ],
            "helmet_types": [
                "Open Face"
            ],
            "introduction": "Positioned in Nexx's Open Face lineup, the X.404 brings Portuguese engineering to riders seeking balance between weight, cabin acoustics, and impact protection. Designed for an Intermediate Oval fitment, it connects daily usability with certified ECE 22.05 track safety.",
            "story": "The Nexx X.404 represents Portuguese head protection design, incorporates aerodynamic shell sculpting and multi-density EPS impact damping. Its Composite shell dampens high-speed wind resonance while multi-density EPS channels absorb kinetic energy across direct and oblique impact vectors.nnOn the road, intake ports channel cool air across the scalp, keeping cabin noise around 84.5 dB at 100 km/h. For riders seeking a Composite Open Face helmet tailored to an Intermediate Oval head shape, the X.404 delivers verified safety and long-distance rider comfort.",
            "finish_profile": "Nexx X.404 Silver (gloss finish) u2014 Treated with a mirror-finish deep gloss clearcoat that repels road grime and simplifies bug cleanup.",
            "editorial_note": "Nexx X.404 in Nexx X.404 Silver. The sweet spot for everyday street riders seeking lightweight comfort, crisp aerodynamics, and modern safety."
        }
    ],
    "compatible_motorcycles": [],
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