Updated February 2026
The FCS II Performer Neo Glass Eco Tri Fins are sustainably made surf fins built with 50% fibreglass and Eco Blend bio-resin. This Medium thruster set (3 fins) delivers a perfect balance of speed, flow and response in all conditions, featuring Inside Foil Technology (IFT). The FCS II tool-less system makes for instant installation. Available in Pacific Blue and Mango.
KEY INFORMATION
What we like
- Sustainable Construction: Made with 50% fibreglass and Arkema's Eco Blend bio-resin for a lower carbon footprint.
- All-Condition Versatility: The Performer template with Inside Foil Technology (IFT) works in everything from beach breaks to point breaks.
- FCS II Tool-Less System: Click your fins in and out in seconds, with no tools or screws needed.
- Active Neo Glass Flex: A progressive flex from base to tip that maintains drive and hold through your turns.
Size
Best For
Rider Level
What's Included
- ✅ Set of 3 fins (thruster)
- ✅ Compatible with all FCS II boards
- ❌ Surfboard not included
COMPARISON: NEO GLASS ECO VS GLASS FLEX
| Feature | Neo Glass Eco (this product) | Glass Flex |
|---|---|---|
| Material | 50% fibreglass + bio-resin | Technical polymer |
| Flex | Active and progressive | Softer and more uniform |
| Performance | ++++ (drive + hold in turns) | +++ (forgiving and predictable) |
| Sustainability | ✅ Arkema / Pragati Bio-resin | ❌ Classic Polymer |
| Best For | Lighter, agile surfers | Beginners to intermediates |
| Price | From €63 | €50 |
Verdict: The Neo Glass Eco offers a more active flex and higher performance than Glass Flex, and it's sustainably made. Glass Flex is still an excellent choice for beginners who want a forgiving and affordable fin.
DETAILED DESCRIPTION
The Performer Template: Find Balance
The Performer is FCS's go-to all-round template. With its well-proportioned profile and Inside Foil Technology (IFT), these fins deliver a great balance of speed, flow and response. They're perfect for surfers who want a reliable fin for all conditions, from small beach breaks to more powerful point breaks. The blend of drive and manoeuvrability makes for smooth transitions between turns.
Neo Glass Eco Blend Construction
The Neo Glass Eco Blend range represents FCS's commitment to sustainability. Built with 50% long-strand fibreglass and a castor-based bio-resin, these fins reduce the use of fossil fuels while delivering high performance. The active, progressive flex is recommended for lighter, more agile surfers who want quick response and solid hold through turns.
The Pragati Initiative: Sustainable Surfing
The Eco resin is made by Arkema, a founding member of Pragati, the sustainable castor initiative. This program trains local farmers in sustainable farming practices, which improves their income and provides better living conditions. When you choose the Performer Neo Glass Eco, you reduce your carbon footprint without compromising on performance.
Two Colorways, Same Performance
Available in Pacific Blue and Mango, the FCS II Performer Neo Glass Eco fins perform identically regardless of the color. The Mango colorway is currently 30% off, making it a great opportunity to try the Eco Blend range at a lower price. These fins are compatible with any board that has the FCS II system.
FCS II PERFORMER FINS IN VIDEO
TECHNICAL SPECIFICATIONS
| FCS Size | Recommended Surfer Weight |
|---|---|
| X-Small | Less than 55 kg |
| Small | 55 - 70 kg |
| ✅ Medium (this product) | 65 - 80 kg |
| Large | 75 - 90 kg |
| X-Large | Over 85 kg |
| Specifications | |
|---|---|
| Product | FCS II Performer Neo Glass Eco Tri Fins |
| Brand | FCS |
| Family | Performer, Find Balance |
| Material | Neo Glass Eco Blend (50% fibreglass + bio-resin) |
| Configuration | Thruster (set of 3 fins) |
| Size | Medium (65-80 kg) |
| System | FCS II (tool-less) |
| Technology | Inside Foil Technology (IFT) |
| Conditions | All conditions (beach breaks, point breaks) |
| Colorways | Pacific Blue • Mango |
| Sustainability | Yes, Arkema Bio-resin / Pragati Initiative |
| Estimated weight | ~150 g (full set) |
| Compatibility | All boards with the FCS II system |
FAQ
Who should use the FCS II Performer Neo Glass Eco fins?
The Performer Neo Glass Eco fins are for surfers of all levels between 65 and 80 kg (size Medium) looking for a versatile, sustainable fin. Their active Neo Glass flex works especially well for lighter, more agile surfers.
What are the advantages of FCS II Performer Neo Glass Eco fins?
The Neo Glass Eco Blend construction uses a 50% fibreglass and bio-resin mix to create an active, progressive flex. Inside Foil Technology (IFT) provides a great balance of speed, flow and response, all with a smaller carbon footprint thanks to the Arkema bio-resin.
What sizes are available?
These fins are size Medium (65-80 kg). The FCS Performer is also available in 4 other sizes: XS (under 55 kg), S (55-70 kg), L (75-90 kg), and XL (over 85 kg). If you're between sizes, size up for more drive or size down for more manoeuvrability.
Are these fins compatible with my board?
Yes, as long as your board has FCS II fin boxes. They work with all board types, including shortboards, fish, hybrids and longboards. The FCS II system is 100% tool-less, letting you install your fins in seconds without any screws.
How do I look after my FCS II Performer surf fins?
Rinse your fins with fresh water after every session to get rid of salt and sand, then let them dry out of direct sunlight. It's also a good idea to check your FCS II fin boxes for wear and tear regularly.
Why buy from GlissEvolution?
With over 20 years of watersports experience, GlissEvolution is a shop you can trust. Our team of passionate riders tests all the gear we sell at our local spots in La Baule and Pornichet. We offer fast, helpful after-sales support from our team right here in France, a full 2-year warranty, free shipping on orders over €150, and click-and-collect at our shop in Pornichet.
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
Gear demos available by appointment
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