{ "@context": "https://schema.org", "@type": "Product", "api_version": "2.0", "generated_at": "2026-09-19T11:33:48+00:00", "post_type": "helmet", "metadata": null, "identifiers": { "sku": "ALP-ALPINE", "ean13": "8056140000000", "mpn": "AS-1000000000", "asin_us": "B07Q2X3K9V", "asin_status": "verified", "regions_covered": 22, "amazon": { "us": { "asin": "B07Q2X3K9V", "status": "verified" } } }, "specifications": null, "variants": [ { "id": "alpinestars_sm5_matte-black", "entity": "helmet", "title": "Alpinestars SM5 Matte Black", "type": "Dirt / MX", "parent_id": "alpinestars_sm5", "helmet_family": "SM5", "head_shape": "Intermediate Oval", "color": "Matte Black", "color_family": "Black", "sku": "ALP-SM5-BLK", "finish": "matte", "is_graphic": false, "availability": "instock", "description": "The Alpinestars SM5 is a benchmark Dirt / MX 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. Designed for aggressive forward tuck and sport-touring postures, delivering maximum high-speed aerodynamic stability and full-coverage chin protection. Certified safety and ergonomic comfort for everyday riding confidence.", "product_details": { "description": "Affordable Alpinestars MX helmet with multi-density EPS." }, "price": { "current": 289.95, "usd": 289.95, "eur": 266.75, "gbp": 229.06 }, "specs": { "material": "Polymer", "weight_g": 1350, "weight_lbs": 2.98, "certifications": [ "DOT", "ECE 22.05" ] }, "geo_media": [ "https://helmetsan.com/assets/helmets/alpinestars_sm5_matte_black_front.png", "https://helmetsan.com/assets/helmets/alpinestars_sm5_matte_black_side.png" ], "helmet_types": [ "Dirt / MX" ], "introduction": "Positioned in Alpinestars's Dirt / MX lineup, the SM5 brings Global Premium 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, ECE 22.05 track safety.", "story": "The Alpinestars SM5 represents Alpinestars's dedicated protective engineering, incorporating aerodynamic shell sculpting and multi-density EPS impact damping. Its High-Yield Impact-Resistant Polycarbonate / Lexan 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 air across the scalp, keeping cabin noise around ~100 dB at 100 km/h. For riders seeking a High-Yield Impact-Resistant Polycarbonate / Lexan Dirt / MX helmet tailored to an Intermediate Oval head shape, the Alpinestars SM5 delivers verified safety and long-distance rider comfort.", "finish_profile": "Alpinestars SM5 Matte Black (matte finish) u2014 Treated with a mirror-finish deep gloss clearcoat that repels road grime and simplifies bug cleanup.", "editorial_note": "Alpinestars SM5 in Alpinestars SM5 Matte Black. A competition-grade dirt helmet built to keep riders cool under physical exertion and shielded from roost and track debris.", "fitment_notes": "Contoured for Intermediate Oval ergonomics with high-density moisture-wicking cheek pads and neck roll designed to keep helmet locked in place during heavy terrain vibration. 10u201312 riding hours break-in expected." }, { "id": "alpinestars_sm5_pearl-white", "entity": "helmet", "title": "Alpinestars SM5 Pearl White", "type": "Dirt / MX", "parent_id": "alpinestars_sm5", "helmet_family": "SM5", "head_shape": "Intermediate Oval", "color": "Pearl White", "color_family": "White", "sku": "ALP-SM5-WHI", "finish": "gloss", "is_graphic": false, "availability": "instock", "description": "The Alpinestars SM5 is a benchmark Dirt / MX 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. Designed for aggressive forward tuck and sport-touring postures, delivering maximum high-speed aerodynamic stability and full-coverage chin protection. Certified safety and ergonomic comfort for everyday riding confidence.", "product_details": { "description": "Affordable Alpinestars MX helmet with multi-density EPS." }, "price": { "current": 289.95, "usd": 289.95, "eur": 266.75, "gbp": 229.06 }, "specs": { "material": "Polymer", "weight_g": 1350, "weight_lbs": 2.98, "certifications": [ "DOT", "ECE 22.05" ] }, "geo_media": [ "https://helmetsan.com/assets/helmets/alpinestars_sm5_pearl_white_front.png", "https://helmetsan.com/assets/helmets/alpinestars_sm5_pearl_white_side.png" ], "helmet_types": [ "Dirt / MX" ], "introduction": "Positioned in Alpinestars's Dirt / MX lineup, the SM5 brings Global Premium 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, ECE 22.05 track safety.", "story": "The Alpinestars SM5 represents Alpinestars's dedicated protective engineering, incorporating aerodynamic shell sculpting and multi-density EPS impact damping. Its High-Yield Impact-Resistant Polycarbonate / Lexan 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 air across the scalp, keeping cabin noise around ~100 dB at 100 km/h. For riders seeking a High-Yield Impact-Resistant Polycarbonate / Lexan Dirt / MX helmet tailored to an Intermediate Oval head shape, the Alpinestars SM5 delivers verified safety and long-distance rider comfort.", "finish_profile": "Alpinestars SM5 Pearl White (gloss finish) u2014 Treated with a mirror-finish deep gloss clearcoat that repels road grime and simplifies bug cleanup.", "editorial_note": "Alpinestars SM5 in Alpinestars SM5 Pearl White. A competition-grade dirt helmet built to keep riders cool under physical exertion and shielded from roost and track debris.", "fitment_notes": "Contoured for Intermediate Oval ergonomics with high-density moisture-wicking cheek pads and neck roll designed to keep helmet locked in place during heavy terrain vibration. 10u201312 riding hours break-in expected." }, { "id": "alpinestars_sm5_racer-tc-2", "entity": "helmet", "title": "Alpinestars SM5 Racer TC-2", "type": "Dirt / MX", "parent_id": "alpinestars_sm5", "helmet_family": "SM5", "head_shape": "Intermediate Oval", "color": "Racer TC-2", "color_family": "Multi", "sku": "ALP-SM5-RAC", "finish": "gloss", "is_graphic": true, "availability": "instock", "description": "The Alpinestars SM5 is a benchmark Dirt / MX 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. Designed for aggressive forward tuck and sport-touring postures, delivering maximum high-speed aerodynamic stability and full-coverage chin protection. Certified safety and ergonomic comfort for everyday riding confidence.", "product_details": { "description": "Affordable Alpinestars MX helmet with multi-density EPS." }, "price": { "current": 339.95, "usd": 339.95, "eur": 312.75, "gbp": 268.56 }, "specs": { "material": "Polymer", "weight_g": 1350, "weight_lbs": 2.98, "certifications": [ "DOT", "ECE 22.05" ] }, "geo_media": [ "https://helmetsan.com/assets/helmets/alpinestars_sm5_racer_tc_2_front.png", "https://helmetsan.com/assets/helmets/alpinestars_sm5_racer_tc_2_side.png" ], "helmet_types": [ "Dirt / MX" ], "introduction": "Positioned in Alpinestars's Dirt / MX lineup, the SM5 brings Global Premium 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, ECE 22.05 track safety.", "story": "The Alpinestars SM5 represents Alpinestars's dedicated protective engineering, incorporating aerodynamic shell sculpting and multi-density EPS impact damping. Its High-Yield Impact-Resistant Polycarbonate / Lexan 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 air across the scalp, keeping cabin noise around ~100 dB at 100 km/h. For riders seeking a High-Yield Impact-Resistant Polycarbonate / Lexan Dirt / MX helmet tailored to an Intermediate Oval head shape, the Alpinestars SM5 delivers verified safety and long-distance rider comfort.", "finish_profile": "Alpinestars SM5 Racer TC-2 (gloss finish) u2014 Treated with a mirror-finish deep gloss clearcoat that repels road grime and simplifies bug cleanup.", "editorial_note": "Alpinestars SM5 in Alpinestars SM5 Racer TC-2. A competition-grade dirt helmet built to keep riders cool under physical exertion and shielded from roost and track debris.", "fitment_notes": "Contoured for Intermediate Oval ergonomics with high-density moisture-wicking cheek pads and neck roll designed to keep helmet locked in place during heavy terrain vibration. 10u201312 riding hours break-in expected." }, { "id": "alpinestars_sm5_course-blue", "entity": "helmet", "title": "Alpinestars SM5 Course Blue", "type": "Dirt / MX", "parent_id": "alpinestars_sm5", "helmet_family": "SM5", "head_shape": "Intermediate Oval", "color": "Course Blue", "color_family": "Blue", "sku": "ALP-SM5-COU", "finish": "gloss", "is_graphic": true, "availability": "instock", "description": "The Alpinestars SM5 is a benchmark Dirt / MX 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. Designed for aggressive forward tuck and sport-touring postures, delivering maximum high-speed aerodynamic stability and full-coverage chin protection. Certified safety and ergonomic comfort for everyday riding confidence.", "product_details": { "description": "Affordable Alpinestars MX helmet with multi-density EPS." }, "price": { "current": 339.95, "usd": 339.95, "eur": 312.75, "gbp": 268.56 }, "specs": { "material": "Polymer", "weight_g": 1350, "weight_lbs": 2.98, "certifications": [ "DOT", "ECE 22.05" ] }, "geo_media": [ "https://helmetsan.com/assets/helmets/alpinestars_sm5_course_blue_front.png", "https://helmetsan.com/assets/helmets/alpinestars_sm5_course_blue_side.png" ], "helmet_types": [ "Dirt / MX" ], "introduction": "Positioned in Alpinestars's Dirt / MX lineup, the SM5 brings Global Premium 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, ECE 22.05 track safety.", "story": "The Alpinestars SM5 represents Alpinestars's dedicated protective engineering, incorporating aerodynamic shell sculpting and multi-density EPS impact damping. Its High-Yield Impact-Resistant Polycarbonate / Lexan 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 air across the scalp, keeping cabin noise around ~100 dB at 100 km/h. For riders seeking a High-Yield Impact-Resistant Polycarbonate / Lexan Dirt / MX helmet tailored to an Intermediate Oval head shape, the Alpinestars SM5 delivers verified safety and long-distance rider comfort.", "finish_profile": "Alpinestars SM5 Course Blue (gloss finish) u2014 Treated with a mirror-finish deep gloss clearcoat that repels road grime and simplifies bug cleanup.", "editorial_note": "Alpinestars SM5 in Alpinestars SM5 Course Blue. A competition-grade dirt helmet built to keep riders cool under physical exertion and shielded from roost and track debris.", "fitment_notes": "Contoured for Intermediate Oval ergonomics with high-density moisture-wicking cheek pads and neck roll designed to keep helmet locked in place during heavy terrain vibration. 10u201312 riding hours break-in expected." } ], "compatible_motorcycles": [], "pricing": { "visitor_country": "US", "currency": "USD", "best_price": "$0.00", "best_price_raw": 0, "offers": [ { "marketplace": "amazon-us", "price": 0, "currency": "USD", "availability": "unknown" } ] }, "reviews": { "average_rating": 0, "review_count": 0, "recent": [] }, "_tier": "bot" }