{ "@context": "https://schema.org", "@type": "Product", "api_version": "2.0", "generated_at": "2026-10-24T22:24:57+00:00", "post_type": "helmet", "metadata": { "id": 27196, "title": "S-M5 Action", "slug": "alpinestars-s-m5-action", "url": "https://helmetsan.com/helmets/alpinestars-s-m5-action/", "language": "en", "brand": "", "category": "Dirt/MX", "featured_image": "", "excerpt": "Mid-tier MX with composite shell and multi-density EPS liner. The S-M5 Action is engineered as a high-integrity Full Face protective system by Alpinestars, utilizing a structural shell constructed from Composite. 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 ... Read more", "modified": "2026-09-06T04:01:27+05:30" }, "identifiers": { "sku": "ALP-ALPINE", "ean13": "8059610345029", "mpn": "S-M5-ACT-24", "asin_us": "B0C9X2M5K1", "asin_status": "verified", "regions_covered": 22, "amazon": { "us": { "asin": "B0C9X2M5K1", "status": "verified" } } }, "specifications": { "brand": "N/A", "helmet_family": "S-M5 Action", "material": "N/A", "weight_g": 1444, "weight_lbs": "3.18", "homologation_standard": "ECE 22.06", "sharp_rating": "4", "rotational_tech": "None", "strap_type": "Double D-Ring", "noise_db_at_100kph": 94, "comms_ready": "Generic Speaker Cutouts", "head_shape": "Intermediate Oval" }, "variants": [ { "id": "alpinestars_s_m5_action_gloss-black", "entity": "helmet", "title": "Alpinestars S-M5 Action Gloss Black", "type": "Dirt / MX", "parent_id": "alpinestars_s_m5_action", "helmet_family": "S-M5 Action", "head_shape": "Intermediate Oval", "color": "Gloss Black", "color_family": "Black", "sku": "ALP-SM5A-BLK", "finish": "gloss", "is_graphic": false, "availability": "instock", "description": "The Alpinestars S-M5 Action 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": "Mid-tier MX with composite shell and multi-density EPS liner." }, "price": { "current": 249.95, "usd": 249.95, "eur": 229.95, "gbp": 197.46 }, "specs": { "material": "Composite", "weight_g": 1150, "weight_lbs": 2.54, "certifications": [ "DOT", "ECE 22.06" ] }, "geo_media": [ "https://helmetsan.com/assets/helmets/alpinestars_s_m5_action_gloss_black_front.png", "https://helmetsan.com/assets/helmets/alpinestars_s_m5_action_gloss_black_side.png" ], "helmet_types": [ "Dirt / MX" ], "introduction": "Positioned in Alpinestars's Dirt / MX lineup, the S-M5 Action 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 22.06 track safety.", "story": "The Alpinestars S-M5 Action represents Global Premium 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 94.5 dB at 100 km/h. For riders seeking a Composite Dirt / MX helmet tailored to an Intermediate Oval head shape, the S-M5 Action delivers verified safety and long-distance rider comfort.", "finish_profile": "Alpinestars S-M5 Action Gloss Black (gloss finish) u2014 Treated with a mirror-finish deep gloss clearcoat that repels road grime and simplifies bug cleanup.", "editorial_note": "Alpinestars S-M5 Action in Alpinestars S-M5 Action Gloss Black. A true do-it-all adventure lid that excels on long highway stretches and dusty backcountry trails alike." }, { "id": "alpinestars_s_m5_action_silver-metallic", "entity": "helmet", "title": "Alpinestars S-M5 Action Silver Metallic", "type": "Dirt / MX", "parent_id": "alpinestars_s_m5_action", "helmet_family": "S-M5 Action", "head_shape": "Intermediate Oval", "color": "Silver Metallic", "color_family": "Grey", "sku": "ALP-SM5A-GRE", "finish": "gloss", "is_graphic": false, "availability": "instock", "description": "The Alpinestars S-M5 Action 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": "Mid-tier MX with composite shell and multi-density EPS liner." }, "price": { "current": 249.95, "usd": 249.95, "eur": 229.95, "gbp": 197.46 }, "specs": { "material": "Composite", "weight_g": 1150, "weight_lbs": 2.54, "certifications": [ "DOT", "ECE 22.06" ] }, "geo_media": [ "https://helmetsan.com/assets/helmets/alpinestars_s_m5_action_silver_metallic_front.png", "https://helmetsan.com/assets/helmets/alpinestars_s_m5_action_silver_metallic_side.png" ], "helmet_types": [ "Dirt / MX" ], "introduction": "Positioned in Alpinestars's Dirt / MX lineup, the S-M5 Action 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 22.06 track safety.", "story": "The Alpinestars S-M5 Action represents Global Premium 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 94.5 dB at 100 km/h. For riders seeking a Composite Dirt / MX helmet tailored to an Intermediate Oval head shape, the S-M5 Action delivers verified safety and long-distance rider comfort.", "finish_profile": "Alpinestars S-M5 Action Silver Metallic (gloss finish) u2014 Treated with a mirror-finish deep gloss clearcoat that repels road grime and simplifies bug cleanup.", "editorial_note": "Alpinestars S-M5 Action in Alpinestars S-M5 Action Silver Metallic. A true do-it-all adventure lid that excels on long highway stretches and dusty backcountry trails alike." }, { "id": "alpinestars_s_m5_action_hi-viz-yellow", "entity": "helmet", "title": "Alpinestars S-M5 Action Hi-Viz Yellow", "type": "Dirt / MX", "parent_id": "alpinestars_s_m5_action", "helmet_family": "S-M5 Action", "head_shape": "Intermediate Oval", "color": "Hi-Viz Yellow", "color_family": "Yellow", "sku": "ALP-SM5A-YEL", "finish": "gloss", "is_graphic": false, "availability": "instock", "description": "The Alpinestars S-M5 Action 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": "Mid-tier MX with composite shell and multi-density EPS liner." }, "price": { "current": 249.95, "usd": 249.95, "eur": 229.95, "gbp": 197.46 }, "specs": { "material": "Composite", "weight_g": 1150, "weight_lbs": 2.54, "certifications": [ "DOT", "ECE 22.06" ] }, "geo_media": [ "https://helmetsan.com/assets/helmets/alpinestars_s_m5_action_hi_viz_yellow_front.png", "https://helmetsan.com/assets/helmets/alpinestars_s_m5_action_hi_viz_yellow_side.png" ], "helmet_types": [ "Dirt / MX" ], "introduction": "Positioned in Alpinestars's Dirt / MX lineup, the S-M5 Action brings Global Premium engineering to riders seeking balance between weight, cabin acoustics, and impact protection. 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A true do-it-all adventure lid that excels on long highway stretches and dusty backcountry trails alike." }, { "id": "alpinestars_s_m5_action_stripe-tc-1", "entity": "helmet", "title": "Alpinestars S-M5 Action Stripe TC-1", "type": "Dirt / MX", "parent_id": "alpinestars_s_m5_action", "helmet_family": "S-M5 Action", "head_shape": "Intermediate Oval", "color": "Stripe TC-1", "color_family": "Multi", "sku": "ALP-SM5A-STR", "finish": "gloss", "is_graphic": true, "availability": "instock", "description": "The Alpinestars S-M5 Action 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. 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