{ "@context": "https://schema.org", "@type": "Product", "api_version": "2.0", "generated_at": "2026-10-24T22:24:59+00:00", "post_type": "helmet", "metadata": { "id": 27147, "title": "Lee Designs D4 Composite", "slug": "troy-lee-designs-d4-composite", "url": "https://helmetsan.com/helmets/troy-lee-designs-d4-composite/", "language": "en", "brand": "", "category": "Dirt/MX", "featured_image": "", "excerpt": "Downhill/enduro with MIPS Spherical and breakaway visor. The Lee Designs D4 Composite is engineered as a high-integrity Full Face protective system by Troy, 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": "2026-09-06T09:12:58+05:30" }, "identifiers": { "sku": "TRO-TROYLE", "ean13": "4964769622957", "mpn": "D4-COMP", "asin_us": "B06ED03BE0", "asin_status": "verified", "regions_covered": 22, "amazon": { "us": { "asin": "B06ED03BE0", "status": "verified" } } }, "specifications": { "brand": "N/A", "helmet_family": "D4 Composite", "material": "N/A", "weight_g": 1415, "weight_lbs": "3.12", "homologation_standard": "ECE 22.06", "sharp_rating": "4", "rotational_tech": "1", "strap_type": "Double D-Ring", "noise_db_at_100kph": 92, "comms_ready": "Generic Speaker Cutouts", "head_shape": "Intermediate Oval" }, "variants": [ { "id": "troy_lee_designs_d4_composite_gloss-black", "entity": "helmet", "title": "Troy Lee Designs D4 Composite Gloss Black", "type": "Dirt / MX", "parent_id": "troy_lee_designs_d4_composite", "helmet_family": "D4 Composite", "head_shape": "Intermediate Oval", "color": "Gloss Black", "color_family": "Black", "sku": "TRO-D4CO-BLK", "finish": "gloss", "is_graphic": false, "availability": "instock", "description": "The Troy Lee Designs D4 Composite 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": "Downhill/enduro with MIPS Spherical and breakaway visor." }, "price": { "current": 425, "usd": 425, "eur": 391, "gbp": 335.75 }, "specs": { "material": "Composite", "weight_g": 1200, "weight_lbs": 2.65, "certifications": [ "DOT", "ECE 22.06" ] }, "geo_media": [ "https://helmetsan.com/assets/helmets/troy_lee_designs_d4_composite_gloss_black_front.png", "https://helmetsan.com/assets/helmets/troy_lee_designs_d4_composite_gloss_black_side.png" ], "helmet_types": [ "Dirt / MX" ], "introduction": "Positioned in Troy's Dirt / MX lineup, the Lee Designs D4 Composite 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 Troy Lee Designs D4 Composite 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 92.5 dB at 100 km/h. For riders seeking a Composite Dirt / MX helmet tailored to an Intermediate Oval head shape, the Lee Designs D4 Composite delivers verified safety and long-distance rider comfort.", "finish_profile": "Troy Lee Designs D4 Composite Gloss Black (gloss finish) u2014 Treated with a mirror-finish deep gloss clearcoat that repels road grime and simplifies bug cleanup.", "editorial_note": "Troy Lee Designs D4 Composite in Troy Lee Designs D4 Composite Gloss Black. A true do-it-all adventure lid that excels on long highway stretches and dusty backcountry trails alike." }, { "id": "troy_lee_designs_d4_composite_anthracite", "entity": "helmet", "title": "Troy Lee Designs D4 Composite Anthracite", "type": "Dirt / MX", "parent_id": "troy_lee_designs_d4_composite", "helmet_family": "D4 Composite", "head_shape": "Intermediate Oval", "color": "Anthracite", "color_family": "Grey", "sku": "TRO-D4CO-GRE", "finish": "matte", "is_graphic": false, "availability": "instock", "description": "The Troy Lee Designs D4 Composite 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": "Downhill/enduro with MIPS Spherical and breakaway visor." }, "price": { "current": 425, "usd": 425, "eur": 391, "gbp": 335.75 }, "specs": { "material": "Composite", "weight_g": 1200, "weight_lbs": 2.65, "certifications": [ "DOT", "ECE 22.06" ] }, "geo_media": [ "https://helmetsan.com/assets/helmets/troy_lee_designs_d4_composite_anthracite_front.png", "https://helmetsan.com/assets/helmets/troy_lee_designs_d4_composite_anthracite_side.png" ], "helmet_types": [ "Dirt / MX" ], "introduction": "Positioned in Troy's Dirt / MX lineup, the Lee Designs D4 Composite 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 Troy Lee Designs D4 Composite 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 92.5 dB at 100 km/h. For riders seeking a Composite Dirt / MX helmet tailored to an Intermediate Oval head shape, the Lee Designs D4 Composite delivers verified safety and long-distance rider comfort.", "finish_profile": "Troy Lee Designs D4 Composite Anthracite (matte finish) u2014 Treated with a mirror-finish deep gloss clearcoat that repels road grime and simplifies bug cleanup.", "editorial_note": "Troy Lee Designs D4 Composite in Troy Lee Designs D4 Composite Anthracite. A true do-it-all adventure lid that excels on long highway stretches and dusty backcountry trails alike." }, { "id": "troy_lee_designs_d4_composite_course-tc-3", "entity": "helmet", "title": "Troy Lee Designs D4 Composite Course TC-3", "type": "Dirt / MX", "parent_id": "troy_lee_designs_d4_composite", "helmet_family": "D4 Composite", "head_shape": "Intermediate Oval", "color": "Course TC-3", "color_family": "Multi", "sku": "TRO-D4CO-COU", "finish": "gloss", "is_graphic": true, "availability": "instock", "description": "The Troy Lee Designs D4 Composite 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": "Downhill/enduro with MIPS Spherical and breakaway visor." }, "price": { "current": 475, "usd": 475, "eur": 437, "gbp": 375.25 }, "specs": { "material": "Composite", "weight_g": 1200, "weight_lbs": 2.65, "certifications": [ "DOT", "ECE 22.06" ] }, "geo_media": [ "https://helmetsan.com/assets/helmets/troy_lee_designs_d4_composite_course_tc_3_front.png", "https://helmetsan.com/assets/helmets/troy_lee_designs_d4_composite_course_tc_3_side.png" ], "helmet_types": [ "Dirt / MX" ], "introduction": "Positioned in Troy's Dirt / MX lineup, the Lee Designs D4 Composite 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 Troy Lee Designs D4 Composite 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 92.5 dB at 100 km/h. 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