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Sheet updated September 2026
The ION Seek Amp 4/3 Back Zip 2027 is your go-to mid-season fullsuit. This Amp series suit is the most flexible in the Seek lineup, now featuring the new Graphene_Plush 2.0 on the back panel. You get 4mm of neoprene on the torso and 3mm on the limbs, combined with ION's softest linings: Hot_Stuff 2.0 throughout the body, Graphene_Plush 2.0 in the back, and recycled Max_Flex across the chest, shoulders, and neck. ION built this suit for Surf and Kite sessions, as well as Wing sessions in cool to cold water. It comes in two colors, Black and Green Seek, with fifteen variations including short cuts from MS to XXLS.
KEY INFORMATION
ION SEEK AMP 4/3 BACK ZIP MEN 2027 - 4/3 mm Mid-Season Fullsuit
What we like
- Graphene_Plush 2.0 on the back panel: This season's innovation for the Amp series is a lightweight, heat-conducting, and recycled lining. It works in conjunction with Hot_Stuff 2.0, which covers the rest of the body.
- Hot_Stuff 2.0 throughout the body: This is ION's most flexible, quick-drying thermal lining, made from recycled materials.
- Recycled Max_Flex: On the chest, shoulders, and neck, the Max_Flex outer lining provides 30% more flexibility, according to ION. This is precisely where you need movement for paddling and pumping.
- I_Foam Neoprene: ION chose this low-density foam, infused with oyster shell powder, for its insulation.
- Glued and taped seams: These are blind-stitched, with flexible tape on the entire interior. You'll find reinforced stress points and fused edges at the arms and legs.
- Water_Gate back zip: An internal neoprene panel behind the zip minimizes water entry and creates a chafe-free zone on your back.
- Quick-entry back zip: The back zip design requires less flexibility than a front zip, keeps your chest free, and closes easily with the cord.
Available sizes
Color
Black (46/XS to 56/XXL and short cuts 25/MS to 28/XXLS), Green Seek (48/S to 56/XXL)
Included / Not included
✔️ Included: 1 ION Seek Amp 4/3 Back Zip 2027 wetsuit
✗ Not included: Hood, Boots, Gloves
DETAILED DESCRIPTION
What's new with the Seek Amp 2027
ION offers three Seek wetsuit series: Select for maximum warmth, Amp for elasticity, and Core as a versatile all-rounder. The ION Seek Amp 4/3 Back Zip is the 4/3 back zip version of the Amp series, with ION moving directly from the 2025 to the 2027 collection. The key innovation is in the lining: lightweight, heat-conducting, and recycled Graphene_Plush 2.0 now covers the back panel. This complements the Hot_Stuff 2.0 that lines the rest of the body. ION confirms both materials are made from recycled content.
Elasticity: Max_Flex, Eco_Stretch, I_Foam
The recycled Max_Flex outer lining covers the chest, shoulders, and neck. ION states it delivers 30% more flexibility and quick-drying properties. The rest of the wetsuit features Eco_Stretch, a fabric made from recycled nylon waste. Beneath these linings, the low-density I_Foam neoprene contains oyster shell powder, a filler ION uses for insulation. The shoulders are without a seam, and the reduced number of panels is immediately noticeable with your first arm movement.
Back zip, Water_Gate, and seams
The back zip offers the easiest entry and exit, leaving your chest free of seams or pressure. To minimize water entry, ION places an internal neoprene panel, the Water_Gate, behind the zip. This also creates a chafe-free zone on your back. The seams are glued and blind-stitched, then taped with a flexible band on the entire inner surface, with reinforced stress points. Arm and leg cuffs are fused. You'll find thin padding on the shins, reinforced drainage holes, and separate leg straps.
For what conditions
ION rates the Seek Amp 4/3 for Surf and Kite sessions, and also for Wing sessions in cool to cold conditions. For riders on the Atlantic coast, this is the ideal fullsuit for spring and autumn. It's also perfect for those who move a lot and warm up quickly. For deep winter, the Seek Amp 5/4 Back Zip takes over with the same construction. It comes in two colors: Black, available from 46/XS to 56/XXL with four short cuts (25/MS to 28/XXLS), and Green Seek, a deep grey-green, from 48/S to 56/XXL. That's fifteen variations in total.
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 |
| 25/MS | 167 to 174 | 66 to 75 | 98 to 104 |
| 50/M | 175 to 181 | 70 to 78 | 98 to 103 |
| 26/LS | 170 to 177 | 74 to 83 | 103 to 109 |
| 52/L | 178 to 184 | 78 to 86 | 103 to 108 |
| 27/XLS | 173 to 180 | 82 to 91 | 108 to 114 |
| 54/XL | 181 to 187 | 86 to 94 | 108 to 113 |
| 28/XXLS | 176 to 183 | 90 to 98 | 113 to 119 |
| 56/XXL | 184 to 190 | 94 to 102 | 113 to 118 |
TECHNICAL SPECIFICATIONS
| Specifications | |
|---|---|
| Type | Men's fullsuit, long sleeves and legs |
| Thickness | 4/3 mm |
| Admission | Back zip with Water_Gate panel |
| Neoprene | Low-density I_Foam, oyster shell powder |
| Thermal lining | Hot_Stuff 2.0 throughout the body, Graphene_Plush 2.0 on the back panel, recycled materials |
| Outer lining | Recycled Max_Flex on chest, shoulders, and neck; recycled nylon Eco_Stretch elsewhere |
| Seams | These seams are **glued seams** and blind-stitched, with internal flexible tape and reinforced stress points, and fused edges. |
| Cut | We've eliminated shoulder seams and reduced the number of panels. |
| Details | Thin padding on shins, reinforced drainage holes, separate leg straps |
| Composition | This fullsuit is made from 80% **neoprene** and 20% recycled polyamide, according to ION. |
| Color | Black, Green Seek. |
| Sizes | 46/XS to 56/XXL, short cuts 25/MS to 28/XXLS (Black); 48/S to 56/XXL (Green Seek) |
| Series | This is the Seek Amp, from the Winter 2027 collection. |
| ION product code | 48272-4407 |
FAQ - ION SEEK AMP 4/3 BACK ZIP MEN 2027
This wetsuit is for riders who sail from March to June and September to December. They want a flexible 4/3 without an armor effect. A rider who gets cold easily or stays in the water for a long time in November should look at the Seek Amp 5/4 Back Zip instead. It is built the same, with one millimeter more.
The back zip is easier to put on and take off. It leaves the chest free and does not require shoulder flexibility. The front zip lets in less water and frees the back for paddling. ION offers the Seek Amp 4/3 in both versions. We recommend the Back Zip for those who change quickly in the parking lot and do not like to put their head through a narrow opening.
The ION size guide higher on the page provides height and weight for each size. It also gives chest circumference. The Black color also comes in short cuts 25/MS, 26/LS, 27/XLS, and 28/XXLS. These are for a wide torso with shorter legs. The ION model in the photos is 1.76 m tall and wears 50/M. A wetsuit should fit snugly when dry, without air pockets. If you are between sizes, call us.
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. Never fold it wet in a bag. Close the zip before hanging it to avoid deforming the back.
We are a Kite, Wing, and Surf shop in Pornichet, on the Atlantic coast. We ride all year in water that drops below ten degrees in February. We wear ION wetsuits before we sell them. If you have a doubt about the size or hesitate between two thickness options, 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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