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    "@type": "Product",
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    "generated_at": "2026-11-11T10:52:06+00:00",
    "post_type": "helmet",
    "metadata": {
        "id": 102217,
        "title": "Marshall Pro D4",
        "slug": "marshall-pro-d4",
        "url": "https://helmetsan.com/it/helmets/marshall-pro-d4/",
        "language": "it",
        "brand": "",
        "category": "Open Face",
        "featured_image": "",
        "excerpt": "Studds Marshall Pro jet per la città. Il Marshall Pro D4 è progettato da Studds 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 ... Leggi tutto",
        "modified": "2026-09-20T10:55:04+05:30"
    },
    "identifiers": {
        "sku": "STU-STUDDS",
        "ean13": "4962267093590",
        "mpn": "PRO-D4",
        "asin_us": "B0ACDD5467",
        "asin_status": "verified",
        "regions_covered": 22,
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    "specifications": {
        "brand": "N/A",
        "helmet_family": "Marshall Pro D4",
        "material": "N/A",
        "weight_g": 1099,
        "weight_lbs": "2.42",
        "homologation_standard": "ECE 22.06",
        "sharp_rating": "4",
        "rotational_tech": "1",
        "strap_type": "Double D-Ring",
        "noise_db_at_100kph": 82,
        "comms_ready": "Generic Speaker Cutouts",
        "head_shape": "Intermediate Oval"
    },
    "variants": [
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            "id": "studds_marshall_pro_d4_black",
            "entity": "helmet",
            "title": "Studds Marshall Pro D4 Black",
            "type": "Open Face",
            "parent_id": "studds_marshall_pro_d4",
            "helmet_family": "Marshall Pro D4",
            "head_shape": "Intermediate Oval",
            "color": "Black",
            "color_family": "Black",
            "sku": "STU-MAP-BLK",
            "finish": "matte",
            "is_graphic": false,
            "availability": "instock",
            "description": "The Studds Marshall Pro D4 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": "Studds Marshall Pro open face for city."
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                "usd": 36.99,
                "eur": 34.03,
                "gbp": 29.22
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            "specs": {
                "material": "ABS",
                "weight_g": 935,
                "weight_lbs": 2.06,
                "certifications": [
                    "DOT",
                    "ISI"
                ]
            },
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            "helmet_types": [
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            "introduction": "Positioned in Studds's Open Face lineup, the Marshall Pro D4 brings Indian engineering to riders seeking balance between weight, cabin acoustics, and impact protection. Designed for an Intermediate Oval fitment, it connects daily usability with certified DOT, ISI, ECE 22.05 track safety.",
            "story": "The Studds Marshall Pro D4 represents Indian head protection design, incorporates aerodynamic shell sculpting and multi-density EPS impact damping. Its ABS 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 82.5 dB at 100 km/h. For riders seeking an ABS Open Face helmet tailored to an Intermediate Oval head shape, the Marshall Pro D4 delivers verified safety and long-distance rider comfort.",
            "finish_profile": "Studds Marshall Pro D4 Black (matte finish) u2014 Treated with a mirror-finish deep gloss clearcoat that repels road grime and simplifies bug cleanup.",
            "editorial_note": "Studds Marshall Pro D4 in Studds Marshall Pro D4 Black. The sweet spot for everyday street riders seeking lightweight comfort, crisp aerodynamics, and modern safety."
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            "helmet_family": "Marshall Pro D4",
            "head_shape": "Intermediate Oval",
            "color": "Grey",
            "color_family": "Grey",
            "sku": "STU-MAP-GRE",
            "finish": "matte",
            "is_graphic": false,
            "availability": "instock",
            "description": "The Studds Marshall Pro D4 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.",
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                "description": "Studds Marshall Pro open face for city."
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                "weight_g": 935,
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            "helmet_types": [
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            "introduction": "Positioned in Studds's Open Face lineup, the Marshall Pro D4 brings Indian engineering to riders seeking balance between weight, cabin acoustics, and impact protection. Designed for an Intermediate Oval fitment, it connects daily usability with certified DOT, ISI, ECE 22.05 track safety.",
            "story": "The Studds Marshall Pro D4 represents Indian head protection design, incorporates aerodynamic shell sculpting and multi-density EPS impact damping. Its ABS 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 82.5 dB at 100 km/h. For riders seeking an ABS Open Face helmet tailored to an Intermediate Oval head shape, the Marshall Pro D4 delivers verified safety and long-distance rider comfort.",
            "finish_profile": "Studds Marshall Pro D4 Grey (matte finish) u2014 Treated with a mirror-finish deep gloss clearcoat that repels road grime and simplifies bug cleanup.",
            "editorial_note": "Studds Marshall Pro D4 in Studds Marshall Pro D4 Grey. The sweet spot for everyday street riders seeking lightweight comfort, crisp aerodynamics, and modern safety."
        }
    ],
    "compatible_motorcycles": [],
    "pricing": {
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