{"product_id":"mystic-star-fullsuit-4-3mm-backzip-2026","title":"Mystic Star Fullsuit 4\/3mm BackZip 2026","description":"\u003cp\u003eThe \u003cstrong\u003eMystic Star Fullsuit 4\/3mm BackZip 2026\u003c\/strong\u003e is a men's spring and autumn wetsuit built for UK waters — 4mm neoprene at the core, MX2 stretch construction, Fox Fleece thermal lining and Aquaflush drainage at £195.95. It covers the shoulder season when the water sits between 10°C and 18°C: versatile enough for a warm spring day, substantial enough for a cold autumn session in UK or Northern European waters.\u003c\/p\u003e\n\n\u003cp\u003ePart of the \u003ca href=\"\/collections\/mystic-watersports-wetsuits-clothing-boots-and-gear\"\u003eMystic\u003c\/a\u003e Star lineup — one of the most enduring wetsuits in kitesurfing and wingfoiling — the 4\/3mm shares its construction DNA with the 5\/3mm: 3D-patterned MX2 neoprene, GBS seams, Glideskin collar and the Aquaflush drainage system. If you're already in a Star 5\/3mm through winter, this is the natural lighter-season companion. Two \u003ca href=\"\/collections\/wetsuits\"\u003emen's wetsuits\u003c\/a\u003e from the same platform, tuned for different ends of the thermometer.\u003c\/p\u003e\n\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiscipline:\u003c\/strong\u003e Kitesurfing, wingfoiling, windsurfing, SUP, wakeboarding\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLevel:\u003c\/strong\u003e All — beginner-friendly entry, reliable enough for experienced riders\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBest for:\u003c\/strong\u003e UK spring and autumn sessions, typically 10–18°C water temperatures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMX2 Stretch Neoprene\u003c\/strong\u003e – Mystic's core neoprene grade: dependable stretch and rebound, built to handle a full season of sessions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3D Design\u003c\/strong\u003e – panels shaped through 3D virtual modelling for a close, pre-curved fit that tracks your movement without binding at the joints\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGBS Seams (Glued Blind Stitched)\u003c\/strong\u003e – glued then stitched halfway through the neoprene to deliver watertight panels without compromising flexibility\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eJunction Taping\u003c\/strong\u003e – reinforcement at seam intersections, where wetsuits wear fastest under repeated use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGlideskin Double Neck\u003c\/strong\u003e – smooth-skin neoprene at the collar seals out water and sits comfortably without irritating the neck across longer sessions\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOverhead Backup Shield\u003c\/strong\u003e – the back panel folds over the zip and collar entry, blocking the most common cold-flush point\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWind Mesh Chest Panel\u003c\/strong\u003e – closed-cell neoprene with an outer fabric lamination that cuts wind chill; most noticeable during a long upwind kite or wing session\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFox Fleece Lining\u003c\/strong\u003e – high-pile thermal lining across the chest and back, trapping air for better core warmth and faster drying after the session\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHex-Tech Kneepads\u003c\/strong\u003e – 4-way stretch Super-tex fabric protects the knees against abrasion while staying flexible enough not to restrict movement\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAquaflush System\u003c\/strong\u003e – perforated neoprene patches on the lower legs drain water out quickly after a wipeout rather than holding it cold against your calves\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-Slip Wrist \u0026amp; Ankle Cuffs\u003c\/strong\u003e – grippy seals at the extremities keep the suit in place and reduce flush at entry points\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLining Saver\u003c\/strong\u003e – prevents the hook-and-loop fastener from catching the inner lining over repeated use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYKK Back-Zip\u003c\/strong\u003e – wide entry that's easy to use alone, particularly useful when suiting up in cold or windy conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eReal-World Feel\u003c\/h2\u003e\n\u003cp\u003eThe 4\/3mm Star hits the sweet spot for UK shoulder-season sessions — warm enough to stop you cutting the session short, light enough that it doesn't slow you down when conditions are pushing. The 3D patterning does real work here: the arm panels track your reach naturally and there's no bunching behind the knees when you're locked in a long upwinder. The Wind Mesh chest makes a genuine difference on blustery days when you're out of the water rigging or waiting on the beach; it's the kind of feature you notice most on autumn days when the air temperature drops faster than the sea.\u003c\/p\u003e\n\u003cp\u003eAquaflush earns its place at 4\/3mm too — getting knocked off a foil in autumn British waters is uncomfortable at the best of times, and having the lower legs drain fast rather than sitting cold is a real quality-of-life improvement. The Glideskin collar seals cleanly and wears comfortably. At under £200, the Star 4\/3mm won't stretch as freely as Mystic's M-Flex or premium Yamamoto builds, but for daily UK watersports use it's perfectly dialled — consistent, reliable and properly warm for the conditions it's built for.\u003c\/p\u003e\n\n\u003ch2\u003eSetup \u0026amp; Fit\u003c\/h2\u003e\n\u003cp\u003eFeed the suit on feet-first, working the neoprene up over the hips and trunk before slipping your arms in. The wide back-zip opening makes entry easy even solo and in the cold. Once on, smooth out any bunching under the arms and at the crotch — these are the first places you'll feel chafe on a long session. Check the Glideskin neck sits snug but not restrictive, then pull the Overhead Backup Shield fully over the zip before heading to the water.\u003c\/p\u003e\n\u003cp\u003eSizing runs true to standard wetsuit measurements. If you're between sizes, go smaller for warmth and seal; go larger if freedom of movement is the priority. Short (S) and Tall (T) cuts are available across the mid-range sizes — well worth using if your torso length sits outside standard proportions.\u003c\/p\u003e\n\n\u003ch2\u003eMaterials\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNeoprene:\u003c\/strong\u003e MX2 stretch neoprene throughout\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThermal lining:\u003c\/strong\u003e Fox Fleece on chest and back panels\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNeck \u0026amp; cuff seal:\u003c\/strong\u003e Glideskin smooth neoprene\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChest panel exterior:\u003c\/strong\u003e Wind Mesh (closed-cell neoprene with outer fabric lamination)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKneepads:\u003c\/strong\u003e Hex-Tech 4-way Super-tex\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeam construction:\u003c\/strong\u003e GBS – Glued Blind Stitched with junction taping at intersections\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eZipper:\u003c\/strong\u003e YKK back-zip\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSizing\u003c\/h2\u003e\n\u003cp\u003eAvailable in XS, S, M, L, XL, XXL and XXXL, with Short (MS, LS) and Tall (MT, LT, XLT) cuts across the mid-range sizes. If your height-to-chest ratio doesn't match standard proportions, the Short or Tall fit makes a meaningful difference to warmth and comfort.\u003c\/p\u003e\n\n\u003ch2\u003ePairs Well With\u003c\/h2\u003e\n\u003cp\u003eRound off the session with a \u003ca href=\"\/collections\/bags-changing-mats\"\u003echanging robe\u003c\/a\u003e, and when water temps dip below 12°C, add \u003ca href=\"\/collections\/boots-gloves\"\u003ewetsuit boots and gloves\u003c\/a\u003e to keep your hands and feet going.\u003c\/p\u003e\n\n\u003ch2\u003eWhy We Stock It\u003c\/h2\u003e\n\u003cp\u003eWe're a rider-owned shop on the Wirral — most of us are kiting and winging in the Irish Sea from early spring through to late autumn, and we know exactly what a 4\/3mm needs to handle in UK waters. The Star has been our honest recommendation for years because it does what it says: proper warmth, solid construction and a price that doesn't sting. The 4\/3mm is the suit we'd put a mate into for their first full UK shoulder season on the water, and the one we'd buy again ourselves.\u003c\/p\u003e\n\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003eWhat is the Mystic Star Fullsuit 4\/3mm BackZip 2026?\u003c\/h3\u003e\n\u003cp\u003eThe Mystic Star Fullsuit 4\/3mm BackZip 2026 is a men's back-zip wetsuit built for spring and autumn watersports in UK and Northern European waters. It uses MX2 stretch neoprene, GBS seams, Fox Fleece thermal lining, a Wind Mesh chest panel and Aquaflush drainage. Priced at £195.95, it suits kitesurfing, wingfoiling, windsurfing, SUP and wakeboarding in water temperatures of roughly 10–18°C.\u003c\/p\u003e\n\n\u003ch3\u003eIs a 4\/3mm wetsuit warm enough for UK kitesurfing?\u003c\/h3\u003e\n\u003cp\u003eA 4\/3mm is the standard UK spring and autumn wetsuit thickness, covering water temperatures of around 10–18°C. In the UK, that typically runs from April through to early October in southern waters, with a shorter window further north. For the coldest winter months, you'll want a 5\/3mm; in midsummer a 3\/2mm or shorty may be sufficient.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is the difference between the Mystic Star 4\/3mm and 5\/3mm?\u003c\/h3\u003e\n\u003cp\u003eThe key difference is thermal rating: the Star 5\/3mm has 5mm core neoprene for cold UK winter conditions (typically below 10°C), while the 4\/3mm is built for the shoulder seasons — spring and autumn sessions at roughly 10–18°C. Both suits share the same construction platform: MX2 neoprene, GBS seams, Fox Fleece lining and the Aquaflush system.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does the Aquaflush system do?\u003c\/h3\u003e\n\u003cp\u003eAquaflush uses small perforated neoprene patches on the lower legs that let water drain out of the suit quickly after a wipeout, rather than pooling cold against your calves. The suit returns to temperature much faster, which keeps you more comfortable across the whole session.\u003c\/p\u003e\n\n\u003ch3\u003eWhat is MX2 neoprene?\u003c\/h3\u003e\n\u003cp\u003eMX2 is Mystic's core neoprene grade — a solid all-round stretch material with reliable rebound and good durability. It sits below Mystic's M-Flex and Yamamoto 39 premium grades in outright elasticity but performs consistently well across a full season of use and is the right specification at this price point.\u003c\/p\u003e\n\n\u003ch3\u003eWhat sizes does the Mystic Star Fullsuit 4\/3mm BackZip 2026 come in?\u003c\/h3\u003e\n\u003cp\u003eThe suit is available in XS, S, M, L, XL, XXL and XXXL, with Short (MS, LS) and Tall (MT, LT, XLT) cuts in the mid-range sizes. The extended fit options are worth using if your height-to-chest ratio sits outside standard proportions.\u003c\/p\u003e","brand":"MYSTIC","offers":[{"title":"Dark Olive \/ XS","offer_id":58244670456195,"sku":"M25-ST43-BZ-643-XS","price":195.95,"currency_code":"GBP","in_stock":false},{"title":"Dark Olive \/ S","offer_id":58244670488963,"sku":"M25-ST43-BZ-643-S","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Dark Olive \/ M","offer_id":58244670521731,"sku":"M25-ST43-BZ-643-M","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Dark Olive \/ MS","offer_id":58244670554499,"sku":"M25-ST43-BZ-643-MS","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Dark Olive \/ MT","offer_id":58244670587267,"sku":"M25-ST43-BZ-643-MT","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Dark Olive \/ L","offer_id":58244670620035,"sku":"M25-ST43-BZ-643-L","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Dark Olive \/ LS","offer_id":58244670652803,"sku":"M25-ST43-BZ-643-LS","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Dark Olive \/ LT","offer_id":58244670685571,"sku":"M25-ST43-BZ-643-LT","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Dark Olive \/ XL","offer_id":58244670718339,"sku":"M25-ST43-BZ-643-XL","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Dark Olive \/ XLT","offer_id":58244670751107,"sku":"M25-ST43-BZ-643-XLT","price":195.95,"currency_code":"GBP","in_stock":false},{"title":"Dark Olive \/ XXL","offer_id":58244670783875,"sku":"M25-ST43-BZ-643-XXL","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Dark Olive \/ XXXL","offer_id":58244670816643,"sku":"M25-ST43-BZ-643-XXXL","price":195.95,"currency_code":"GBP","in_stock":false},{"title":"Black \/ XS","offer_id":58244670849411,"sku":"M25-ST43-BZ-900-XS","price":195.95,"currency_code":"GBP","in_stock":false},{"title":"Black \/ S","offer_id":58244670882179,"sku":"M25-ST43-BZ-900-S","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Black \/ M","offer_id":58244670914947,"sku":"M25-ST43-BZ-900-M","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Black \/ MS","offer_id":58244670947715,"sku":"M25-ST43-BZ-900-MS","price":195.95,"currency_code":"GBP","in_stock":false},{"title":"Black \/ MT","offer_id":58244670980483,"sku":"M25-ST43-BZ-900-MT","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Black \/ L","offer_id":58244671013251,"sku":"M25-ST43-BZ-900-L","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Black \/ LS","offer_id":58244671046019,"sku":"M25-ST43-BZ-900-LS","price":195.95,"currency_code":"GBP","in_stock":false},{"title":"Black \/ LT","offer_id":58244671078787,"sku":"M25-ST43-BZ-900-LT","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Black \/ XL","offer_id":58244671111555,"sku":"M25-ST43-BZ-900-XL","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Black \/ XLT","offer_id":58244671144323,"sku":"M25-ST43-BZ-900-XLT","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Black \/ XXL","offer_id":58244671177091,"sku":"M25-ST43-BZ-900-XXL","price":195.95,"currency_code":"GBP","in_stock":true},{"title":"Black \/ XXXL","offer_id":58244671209859,"sku":"M25-ST43-BZ-900-XXXL","price":195.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/9576\/6814\/files\/35000.250026_643_01_fcbfbfc5-a750-44d1-ab5d-065697818752.png?v=1781473101","url":"https:\/\/www.northernwatersports.co.uk\/products\/mystic-star-fullsuit-4-3mm-backzip-2026","provider":"Northern Watersports","version":"1.0","type":"link"}