Cold-water performance, evolved. The GUL Response FX 5/4mm Blindstitched Steamer (Men’s) takes the proven DNA of the core Response range and transforms it into a high-performance, comp-level wetsuit built for serious conditions. Designed for flexibility, insulation and progressive surfing, it delivers dependable warmth without restricting movement.
Constructed using 150% X-Flex super-stretch neoprene combined with thermal linings, the Response FX provides exceptional freedom of movement while retaining core heat in colder water. Reinforced seams and chest zip barrier systems help minimise flushing, keeping you focused on performance from paddle-out to final wave.
Construction
- Blindstitched seams: Reduces water ingress while maintaining stretch and durability.
- X-Flex neoprene: 150% super-stretch main body for unrestricted movement.
- X-Flex thermal lining: Ultimate insulation and warmth retention.
- Powertex4 knees: Reinforced durability and flexibility in high-wear zones.
- ABS Aqua Barrier chest entry: Minimises flushing in chest zip configuration.
- PK G-Lock Size 8 low-profile zip: Secure, corrosion-resistant closure system.
- Limestone-based neoprene: Non-petroleum construction for improved sustainability.
Features
- RevoFit 3D pattern technology: Ergonomic shaping for a performance-driven fit.
- G-Tape internal taping: Waterproof X-Flex taping reinforces critical seam areas.
- Pro Neck: Seam-free neck seal for enhanced comfort and reduced water entry.
- Key pocket: Lower calf pocket with integrated key loop for secure storage.
Ideal for colder water sessions, the Response FX 5/4mm delivers competition-level flexibility with dependable winter insulation.
Size Guide
| UK Size | Chest (cm) | Height (cm) | Hips (cm) | Waist (cm) |
|---|---|---|---|---|
| S | 86–91 | 162–167 | 81–86 | 69–74 |
| MS | 91–97 | 167–172 | 86–91 | 74–79 |
| MST | 91–97 | 177–182 | 86–91 | 74–79 |
| M | 97–102 | 172–177 | 91–97 | 79–84 |
| MT | 97–102 | 177–182 | 91–97 | 79–84 |
| ML | 102–107 | 177–182 | 97–102 | 84–89 |
| LS | 107–112 | 172–177 | 102–107 | 89–94 |
| L | 107–112 | 177–182 | 102–112 | 89–94 |
| LT | 107–112 | 182–188 | 102–107 | 80–94 |
| XL | 112–117 | 180–185 | 107–112 | 94–99 |
| XLT | 112–117 | 185–190 | 107–112 | 94–99 |
| XXL | 117–122 | 183–188 | 112–117 | 99–102 |
| XXLT | 117–122 | 190–195 | 112–117 | 99–102 |
Tip: For optimal thermal performance, your wetsuit should fit snugly without restricting movement. If you are between sizes, consider your height and chest measurements carefully.
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