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Data sheet updated in November 2026
The ION Seek Core 4/3 SS Back Zip men's 2023 is the short-sleeve, long-leg 4/3 wetsuit with a back zip from ION's 2023 Seek Core range. With Hot_Stuff 2.0 on the torso and thighs, Plasma_Plush on the back, Silk_Stuff on the shoulders, and reinforced glued seams, the Seek Core prioritizes warmth and durability. Available in sizes 46/XS to 56/XXL.
KEY INFORMATION
ION SEEK CORE 4/3 SS BACK ZIP MEN'S 2023 - 4/3 mm Wetsuit
What we like
- Hot_Stuff 2.0 on the torso and thighs: This highly elastic thermal lining from ION keeps you warm where your body loses the most heat, all without restricting your movement.
- Plasma_Plush on the back: A soft, quick-drying fleece adds warmth and protects you from cold winds.
- Silk_Stuff on the shoulders and arms: This thin, silky lining on the chest, shoulders, and arms provides stretch and prevents the wetsuit from pulling.
- Glued and reinforced seams: You get invisible glued seams, flexible tape at the knees and crotch, and reinforced stress points.
- Seamless shoulders: Fewer panels and no seam on the shoulders mean your freedom of movement comes from the cut itself.
- Back zip: The back zip makes it quick and easy to put on and take off by yourself, and it keeps the chest panel in one piece.
Available sizes
Included / Not included
✔️ Included: 1 ION Seek Core 4/3 SS Back Zip men's 2023
✗ Not included: Boots, Gloves, Hood
DETAILED DESCRIPTION
The Seek Core, according to ION
ION sums up the Seek Core with a simple formula: superior performance at an affordable price, plus a versatile simplicity. The ION Seek Core 4/3 SS Back Zip men's 2023 is the short-sleeve, long-leg 4/3 version with a back zip from the 2023 vintage, now an end-of-series item at ION.
Warmth and linings
The torso and thighs feature highly elastic Hot_Stuff 2.0 lining, which retains warmth where your body needs it most. On the back, Plasma_Plush fleece dries quickly and protects you from cold winds. The chest, shoulders, and arms get Silk_Stuff, a thin and silky lining for excellent stretch and comfort.
Seams, cut, and details
The seams are glued and blind-stitched, with flexible tape at the knees and crotch, and reinforced stress points. The shoulders are seamless, and the design minimizes the number of panels. You get thin padding on the shins, reinforced drainage holes on the legs, and separate leg straps.
For what conditions
A 4/3 wetsuit is perfect for spring and autumn on the Atlantic coast; for winter, you'll need a 5/4. The short sleeves keep your arms free. This suit is ideal for milder days. Available in sizes 46/XS to 56/XXL.
SIZE GUIDE
| Size | Height (cm) | Weight (kg) | Chest (cm) |
|---|---|---|---|
| 46/XS | 169 to 175 | 54 to 62 | 88 to 93 |
| 48/S | 172 to 178 | 62 to 70 | 93 to 98 |
| 50/M | 175 to 181 | 70 to 78 | 98 to 103 |
| 52/L | 178 to 184 | 78 to 86 | 103 to 108 |
| 54/XL | 181 to 187 | 86 to 94 | 108 to 113 |
| 56/XXL | 184 to 190 | 94 to 102 | 113 to 118 |
TECHNICAL SPECIFICATIONS
| Specifications | |
|---|---|
| Type | Men's short-sleeve, long-leg wetsuit |
| Thickness | 4/3 mm |
| Admission | Back zip |
| Thermal lining | Hot_Stuff 2.0 on torso and thighs, Plasma_Plush on back |
| Inner lining | Silk_Stuff on chest, shoulders, and arms |
| Seams | Glued blind-stitched, flexible tape at knees and crotch, reinforced stress points |
| Cut | We've eliminated shoulder seams and reduced the number of panels. |
| Details | Thin padding on the shins, reinforced drainage holes on the legs, and separate leg straps. |
| Sizes | 46/XS to 56/XXL. |
| Range | ION Seek Core, 2023 vintage |
| Supplier reference | 48232-4428 |
FAQ - ION SEEK CORE 4/3 SS BACK ZIP MEN'S 2023
This ION wetsuit is for the kiter, wingfoiler, or surfer who wants a warm and robust suit. It is also for those who prefer a back zip. A 4/3 covers spring and autumn on the Atlantic coast; for winter, a 5/4 is needed. The short sleeves leave your arms free. This suit is suitable for milder days.
The ION size guide is higher on the page. It provides height and weight for each size, along with chest circumference. A wetsuit should fit snugly when dry, with no air pockets. If you are between sizes, call us.
The range and philosophy are the same: warmth and elasticity at the best price. Robustness is also a key factor. The 2023 model is a previous vintage, an end-of-series item from ION. The current model is available online for those who want the latest collection.
Rinse it with fresh water after each session, inside out. Let it dry in the shade on a wide hanger. Never dry it in the sun or on a radiator, and never fold it wet in a bag. Close the zip before hanging it, and rinse the pull tab. Sand in a zip is what wears it out.
We are a kite, wing, and Surf shop in Pornichet, on the Atlantic coast. We ride all year round. We wear ION wetsuits before selling them. If you have any doubts about the size or thickness, call us or visit the shop.
▶ Need advice?
GlissEvolution, 2c avenue du Gulfstream, 44380 Pornichet (Loire-Atlantique)
09 62 64 74 77 | WhatsApp: 07 83 28 39 94, Tuesday to Saturday, 10am-1pm / 3pm-7pm
Test center available by appointment
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