{"product_id":"harley-ingleby-mid-4-thunderbolt-black-66-v37-white-carbon-bottom","title":"Harley Ingleby MID 4 Thunderbolt Black - 6'6 V37 - White\/Carbon Bottom","description":"\u003ch3\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSIZE: 6'6\" x 20 1\/8\" x 2 11\/16\" — 37L\u003cbr\u003eFINS: 3+3 FCS (ride as a quad, twin or asym)\u003cbr\u003eMODEL: MID 4 (HI MID4 3+3)\u003cbr\u003eCONSTRUCTION: Thunderbolt Black — White\/Carbon Bottom, matte finish\u003cbr\u003eSHAPERS: Billy Tolhurst × Harley Ingleby\u003c\/p\u003e\n\u003ch3\u003eWhat is the Harley Ingleby MID 4?\u003c\/h3\u003e\n\u003cp\u003eThe MID 4 (HI MID4 3+3) is a mid-length from Thunderbolt, shaped by Billy Tolhurst with two-time World Longboard Champion Harley Ingleby. It is scaled directly from the MID 6, refined, and built with 3+3 FCS fin boxes, so one board rides as a true quad, a true twin or an asym. It keeps the MID 6's wave-catching ability and forgiving feel.\u003c\/p\u003e\n\u003ch3\u003eWho it's for\u003c\/h3\u003e\n\u003cp\u003eThunderbolt designed the 6'6\", 6'10\" and 7'4\" sizes for MID 6 riders who want twin and asym options in a board that feels familiar.\u003c\/p\u003e\n\u003ch3\u003eWhat waves it suits\u003c\/h3\u003e\n\u003cp\u003eThunderbolt says the tighter nose makes the MID 4 more comfortable in the pocket and in tighter sections without costing paddle power, and the four-channel bottom feels a little freer through fat, slow sections while keeping the same drive.\u003c\/p\u003e\n\u003ch3\u003e3+3 FCS fin setup\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuad:\u003c\/strong\u003e black plugs, for drive and hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwin:\u003c\/strong\u003e white plugs, for a loose, skatey twin feel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAsym:\u003c\/strong\u003e twin on your toe-side rail, quad on your heel-side rail.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMID 4 vs MID 6\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNose:\u003c\/strong\u003e the MID 4 is 1\/4\" narrower at one foot from the nose.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom:\u003c\/strong\u003e flat entry with rail relief, for a more performance-oriented rail without the stickiness of deep concaves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannels:\u003c\/strong\u003e four on the MID 4, six on the MID 6.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFins:\u003c\/strong\u003e 3+3 FCS (quad, twin or asym) on the MID 4; 5 FCS boxes (thruster or quad) on the MID 6.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e the MID 4 range goes down to 5'10\", so smaller and higher-performance surfers get MID 6 DNA without the length.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMID 4 size chart (all builds)\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eWidth\u003c\/th\u003e\n\u003cth\u003eThickness\u003c\/th\u003e\n\u003cth\u003eVolume\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5'10\"\u003c\/td\u003e\n\u003ctd\u003e19 1\/4\"\u003c\/td\u003e\n\u003ctd\u003e2 3\/8\"\u003c\/td\u003e\n\u003ctd\u003e28L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6'0\"\u003c\/td\u003e\n\u003ctd\u003e19 1\/2\"\u003c\/td\u003e\n\u003ctd\u003e2 1\/2\"\u003c\/td\u003e\n\u003ctd\u003e31L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6'2\"\u003c\/td\u003e\n\u003ctd\u003e19 3\/4\"\u003c\/td\u003e\n\u003ctd\u003e2 5\/8\"\u003c\/td\u003e\n\u003ctd\u003e33L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6'6\"\u003c\/td\u003e\n\u003ctd\u003e20 1\/8\"\u003c\/td\u003e\n\u003ctd\u003e2 11\/16\"\u003c\/td\u003e\n\u003ctd\u003e37L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6'10\"\u003c\/td\u003e\n\u003ctd\u003e20 3\/8\"\u003c\/td\u003e\n\u003ctd\u003e2 3\/4\"\u003c\/td\u003e\n\u003ctd\u003e40L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7'4\"\u003c\/td\u003e\n\u003ctd\u003e21\"\u003c\/td\u003e\n\u003ctd\u003e2 13\/16\"\u003c\/td\u003e\n\u003ctd\u003e46L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eBuilds: Thunderbolt Red in Candy White, or Thunderbolt Black in White\/Carbon Bottom. Both have a matte finish.\u003c\/p\u003e\n\u003ch3\u003eHarley Ingleby MID 4 FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the dimensions and volume of this MID 4?\u003c\/strong\u003e\u003cbr\u003e6'6\" x 20 1\/8\" x 2 11\/16\", 37L.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat fins does the MID 4 use?\u003c\/strong\u003e\u003cbr\u003e3+3 FCS boxes. Run the black plugs as a quad, the white plugs as a twin, or a twin on the toe-side rail and a quad on the heel-side rail for an asym.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat skill level is the MID 4 for?\u003c\/strong\u003e\u003cbr\u003eThunderbolt aims the 5'10\"–6'2\" sizes at performance surfers and lighter riders, and the 6'6\"–7'4\" sizes at MID 6 riders who want twin and asym options.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat waves is the MID 4 good in?\u003c\/strong\u003e\u003cbr\u003eThunderbolt describes it as comfortable in the pocket and tighter sections, and a little freer than the MID 6 through fat, slow sections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow is the MID 4 different from the MID 6?\u003c\/strong\u003e\u003cbr\u003eIt is scaled from the MID 6 but has a tighter nose, a flat entry with rail relief, four channels instead of six, 3+3 fins instead of 5 FCS boxes, and sizes from 5'10\".\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich MID 4 sizes are made?\u003c\/strong\u003e\u003cbr\u003e5'10\" (28L), 6'0\" (31L), 6'2\" (33L), 6'6\" (37L), 6'10\" (40L) and 7'4\" (46L).\u003c\/p\u003e\n\u003cp\u003eSources: \u003ca href=\"https:\/\/thunderboltsurf.com\/harley-ingleby\/mid-4\/\" target=\"_blank\" rel=\"noopener\"\u003eThunderbolt MID 4\u003c\/a\u003e (specs, fins, sizes, design notes); \u003ca href=\"https:\/\/thunderboltsurf.com\/harley-ingleby\/mid-6\/\" target=\"_blank\" rel=\"noopener\"\u003eThunderbolt MID 6\u003c\/a\u003e (MID 6 fins, channels and sizes).\u003c\/p\u003e","brand":"HARLEY INGLEBY SERIES","offers":[{"title":"Default Title","offer_id":52991593283896,"sku":"148953P","price":1195.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/2579\/2290\/files\/harley-ingleby-mid-4-thunderbolt-black-610-v40-whitecarbon-bottom-shop-surfboards-9040939.jpg?v=1791946577","url":"https:\/\/www.hawaiiansouthshore.com\/products\/harley-ingleby-mid-4-thunderbolt-black-66-v37-white-carbon-bottom","provider":"Hawaiian South Shore","version":"1.0","type":"link"}