{"product_id":"shoei-rf-1400-knee-down","title":"SHOEI RF-1400 Knee Down","description":"\u003cdiv class=\"trd trd--shoei\"\u003e\n\u003csection class=\"trd-hero\"\u003e\u003cp class=\"trd-eyebrow\"\u003eSHOEI · RF-1400 · Full Face\u003c\/p\u003e\n\u003ch2 class=\"trd-headline\"\u003eRF-1400 Knee Down Full-Face Performance\u003c\/h2\u003e\n\u003cp class=\"trd-lead\"\u003eThe SHOEI RF-1400 Knee Down is a full-face motorcycle helmet built around the RF-1400 platform’s aerodynamic focus and compact feel, finished in Knee Down TC-5. According to SHOEI’s riding-style ratings, it’s aimed primarily at Street riding, with strong fit for Touring and Race use.\u003c\/p\u003e\n\u003cp class=\"trd-lead\"\u003eThis model pairs a Multi-Ply Matrix AIM+ shell with a Dual Density EPS liner and a 3D Max-Dry System II interior. The CWR-F2 shield system is designed to support a natural field of view while managing airflow and sealing. Included with the helmet are a Pinlock® Evo Lens, Breath Guard, and Chin Curtain.\u003c\/p\u003e\n\u003cul class=\"trd-chips\"\u003e\n\u003cli class=\"trd-chip\"\u003e\n\u003cspan class=\"trd-chip-label\"\u003eModel\u003c\/span\u003e\u003cspan class=\"trd-chip-value\"\u003eRF-1400\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"trd-chip\"\u003e\n\u003cspan class=\"trd-chip-label\"\u003eShell\u003c\/span\u003e\u003cspan class=\"trd-chip-value\"\u003eMulti-Ply Matrix AIM+\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"trd-chip\"\u003e\n\u003cspan class=\"trd-chip-label\"\u003eCertification\u003c\/span\u003e\u003cspan class=\"trd-chip-value\"\u003eSnell M2025D and DOT-218 Approved\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003cdiv class=\"trd-cards trd-cards--3 trd-cards--media\"\u003e\n\u003carticle class=\"trd-card trd-card--media\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003cp class=\"trd-label\"\u003eConstruction\u003c\/p\u003e\n\u003ch3 class=\"trd-card-title\"\u003eShell and EPS design\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eThe RF-1400 uses a Multi-Ply Matrix AIM+ shell matched with a proprietary Dual-Layer\/Multi-Density EPS liner. It also incorporates the Emergency Quick Release System (E.Q.R.S.) as part of the helmet’s overall safety-focused design. Certification is listed as Snell M2025D and DOT-218 Approved.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"trd-card-media\"\u003e\u003cimg class=\"trd-card-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/shoei-rf-1400-safety-9770ed.png?v=1793030853\u0026amp;width=900\" alt=\"SHOEI RF-1400 Knee Down – Shell and EPS design\" width=\"900\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/article\u003e\u003carticle class=\"trd-card trd-card--media\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003cp class=\"trd-label\"\u003eShield\u003c\/p\u003e\n\u003ch3 class=\"trd-card-title\"\u003eCWR-F2 shield system\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eA CWR-F2 shield is specified for the RF-1400. SHOEI’s shield design combines a 2D flat outer surface with 3D shaping inside to support optimized visibility and a more natural view. Vortex Generators on the sides of the shield are intended to improve aerodynamics and help reduce wind noise, and the center lock helps distribute closing forces across both spring-loaded base plates.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"trd-card-media\"\u003e\u003cimg class=\"trd-card-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/shoei-rf-1400-shield-system-a4549d.png?v=1793030854\u0026amp;width=900\" alt=\"SHOEI RF-1400 Knee Down – CWR-F2 shield system\" width=\"900\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/article\u003e\u003carticle class=\"trd-card trd-card--media\"\u003e\u003cdiv class=\"trd-card-body\"\u003e\n\u003cp class=\"trd-label\"\u003eVentilation\u003c\/p\u003e\n\u003ch3 class=\"trd-card-title\"\u003eVentilation and airflow balance\u003c\/h3\u003e\n\u003cp class=\"trd-card-text\"\u003eVent tuning for the RF-1400 was developed using SHOEI’s in-house wind tunnel with the goal of balancing airflow and quiet. The center\/forehead vent was relocated and given an additional intake hole to help increase cooling air volume. At the rear, an enlarged exhaust outlet vent is designed to better use negative pressure suction to help expel hot air.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cfigure class=\"trd-card-media\"\u003e\u003cimg class=\"trd-card-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/shoei-rf-1400-ventilation-performance-a63f45.png?v=1793030854\u0026amp;width=900\" alt=\"SHOEI RF-1400 Knee Down – Ventilation and airflow balance\" width=\"900\" height=\"600\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003c\/article\u003e\n\u003c\/div\u003e\n\u003csection class=\"trd-story\"\u003e\u003cfigure class=\"trd-story-media\"\u003e\u003cimg class=\"trd-story-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/shoei-rf-1400-aerodynamics-d738bf.png?v=1793030915\u0026amp;width=1400\" alt=\"SHOEI RF-1400 Knee Down – Aerodynamic shell shaping\" width=\"1400\" height=\"934\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv class=\"trd-story-copy\"\u003e\n\u003cp class=\"trd-label\"\u003eAerodynamics\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eAerodynamic shell shaping\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eThe RF-1400’s shell aerodynamics are intended to help the helmet move cleanly through the air while also contributing to reduced wind noise, without blocking informative road sounds. This aerodynamic approach is part of the RF-1400’s overall on-road focus, aligning with SHOEI’s Street, Touring, and Race riding-style ratings shown for the model.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-story trd-story--reverse\"\u003e\u003cfigure class=\"trd-story-media\"\u003e\u003cimg class=\"trd-story-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/shoei-rf-1400-advanced-noise-reduction-54b620.png?v=1793030853\u0026amp;width=1400\" alt=\"SHOEI RF-1400 Knee Down – Noise management details\" width=\"1400\" height=\"934\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv class=\"trd-story-copy\"\u003e\n\u003cp class=\"trd-label\"\u003eComfort\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eNoise management details\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eNoise reduction in the RF-1400 is supported by multiple elements working together: an aerodynamic shell profile, Vortex Generators aimed at reducing turbulence, and airtight window beading designed to create a windproof seal. SHOEI also notes voluminous cheek pads and removable ear pads that help suppress internal noise while still allowing essential road sounds.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-story\"\u003e\u003cfigure class=\"trd-story-media\"\u003e\u003cimg class=\"trd-story-img\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/shoei-rf-1400-comfort-f1c5f3.png?v=1793030854\u0026amp;width=1400\" alt=\"SHOEI RF-1400 Knee Down – Interior comfort and fit\" width=\"1400\" height=\"934\" loading=\"lazy\"\u003e\u003c\/figure\u003e\u003cdiv class=\"trd-story-copy\"\u003e\n\u003cp class=\"trd-label\"\u003eFitment\u003c\/p\u003e\n\u003ch3 class=\"trd-story-title\"\u003eInterior comfort and fit\u003c\/h3\u003e\n\u003cp class=\"trd-story-text\"\u003eInside, the RF-1400 combines a Dual Density EPS liner with a 3D Max-Dry System II interior. SHOEI describes newly designed cheek pads with added volume at the bottom for greater comfort and reduced wind noise, along with a soft yet durable lower cheek pad fabric intended to create a plush fit and feel over longer rides.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--video\"\u003e\u003ch2 class=\"trd-section-title\"\u003eProduct Video\u003c\/h2\u003e\n\u003cdiv class=\"trd-video\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/q56GIvyAAbU\" title=\"SHOEI RF-1400 Knee Down video\" loading=\"lazy\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cdiv class=\"trd-video\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/Vo1s-OvvUUM\" title=\"SHOEI RF-1400 Knee Down video\" loading=\"lazy\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--specs\"\u003e\u003ch2 class=\"trd-section-title\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"trd-table-wrap\"\u003e\u003ctable class=\"trd-table trd-table--specs\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShell Type\u003c\/th\u003e\n\u003ctd\u003eMulti-Ply Matrix AIM+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShield Type\u003c\/th\u003e\n\u003ctd\u003eCWR-F2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLiner\u003c\/th\u003e\n\u003ctd\u003eDual Density EPS, 3D Max-Dry System II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e3.64 pounds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCertifications\u003c\/th\u003e\n\u003ctd\u003eSnell M2025D and DOT-218 Approved\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--included\"\u003e\u003ch2 class=\"trd-section-title\"\u003eWhat's Included\u003c\/h2\u003e\n\u003cdiv class=\"trd-table-wrap\"\u003e\u003ctable class=\"trd-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003ePinlock® Evo Lens\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBreath Guard\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eChin Curtain\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"trd-notice\"\u003eIncluded with this helmet as listed by SHOEI.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--options\"\u003e\u003ch2 class=\"trd-section-title\"\u003eAvailable Colors \u0026amp; Sizes\u003c\/h2\u003e\n\u003cdiv class=\"trd-table-wrap\"\u003e\u003ctable class=\"trd-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eColor\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSizes\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSHOEI Part Numbers\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eKnee Down TC-5\u003c\/td\u003e\n\u003ctd\u003eX-Small, Small, Medium, Large, X-Large, XX-Large\u003c\/td\u003e\n\u003ctd\u003e0101-3405-03, 0101-3405-04, 0101-3405-05, 0101-3405-06, 0101-3405-07, 0101-3405-08\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--riding-style\"\u003e\u003ch2 class=\"trd-section-title\"\u003eSHOEI Riding-Style Rating\u003c\/h2\u003e\n\u003cdiv class=\"trd-table-wrap\"\u003e\u003ctable class=\"trd-table trd-table--specs\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eRiding Style\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eRating\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRace\u003c\/th\u003e\n\u003ctd\u003e8 \/ 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eStreet\u003c\/th\u003e\n\u003ctd\u003e10 \/ 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTouring\u003c\/th\u003e\n\u003ctd\u003e8 \/ 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOff-Road\u003c\/th\u003e\n\u003ctd\u003e0 \/ 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAdventure\u003c\/th\u003e\n\u003ctd\u003e0 \/ 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"trd-notice\"\u003eRatings published by SHOEI for the RF-1400 model (0–10).\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"trd-section trd-section--docs\"\u003e\u003ch2 class=\"trd-section-title\"\u003eManuals \u0026amp; Resources\u003c\/h2\u003e\n\u003cp class=\"trd-docs\"\u003e\u003ca class=\"trd-button\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/352-nxr2-rf-1400-euro-web-20250110.pdf?v=1793030849\" target=\"_blank\" rel=\"noopener\"\u003eRF-1400 Helmet Manual (PDF)\u003c\/a\u003e \u003ca class=\"trd-button\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/23-11-16_shoei_sizechart_1460x1100psd1700497127-1282590.png?v=1793025270\" target=\"_blank\" rel=\"noopener\"\u003eSHOEI Helmet Size Chart\u003c\/a\u003e \u003ca class=\"trd-button\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/24-07-02_Shoei_care_manual_combined.pdf?v=1793025464\" target=\"_blank\" rel=\"noopener\"\u003eHelmet Care Manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"trd-caption\"\u003eProvided by SHOEI. Opens in a new tab.\u003c\/p\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"SHOEI","offers":[{"title":"Knee Down TC-5 \/ X-Small","offer_id":68161541636247,"sku":"0101-3405-03","price":662.99,"currency_code":"USD","in_stock":true},{"title":"Knee Down TC-5 \/ Small","offer_id":68161541669015,"sku":"0101-3405-04","price":662.99,"currency_code":"USD","in_stock":true},{"title":"Knee Down TC-5 \/ Medium","offer_id":68161541701783,"sku":"0101-3405-05","price":662.99,"currency_code":"USD","in_stock":true},{"title":"Knee Down TC-5 \/ Large","offer_id":68161541734551,"sku":"0101-3405-06","price":662.99,"currency_code":"USD","in_stock":true},{"title":"Knee Down TC-5 \/ X-Large","offer_id":68161541767319,"sku":"0101-3405-07","price":662.99,"currency_code":"USD","in_stock":true},{"title":"Knee Down TC-5 \/ XX-Large","offer_id":68161541800087,"sku":"0101-3405-08","price":662.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/4884\/6743\/files\/0101-3405-031739316426-35940791739316426-3594079.jpg?v=1793031376","url":"https:\/\/allamericanktm.com\/products\/shoei-rf-1400-knee-down","provider":"All American KTM","version":"1.0","type":"link"}