Updated February 2026
The FCS II Performer Tri Fins are Glass Flex surf fins designed to deliver a great balance of speed, flow, and response. Ideal for all conditions, they suit everyone from beginners to experienced riders looking for a versatile set. Their molded, high-tech polymer construction provides a progressive flex that helps you maintain speed and acceleration through turns.
KEY INFORMATION
What we like
- Total Versatility: Performs in all conditions, from beach breaks to point breaks.
- Tool-less FCS II System: Install and remove your fins in seconds, no screws or key needed.
- Progressive Glass Flex: Helps you maintain speed and makes maneuvers easier to execute.
- Inside Foil Technology (IFT): Features an optimized inner profile for better water flow.
Size
Medium: For riders weighing 65 to 80 kg.
Compatibility
For the FCS II system only. These fins are compatible with all board types equipped with FCS II plugs.
WHY CHOOSE THE FCS II PERFORMER?
The allround benchmark
The Performer fins are the most popular in the FCS range. Their well-proportioned template, featuring Inside Foil Technology (IFT), offers an ideal combination of speed and maneuverability, ensuring a natural flow between turns. When you're looking for a reliable, allround set for any conditions, these are your go-to choice.
Glass Flex Construction
Glass Flex (GF) fins are molded from a high-quality, specialized polymer. Their flex pattern is specifically designed to help surfers maintain speed and acceleration through turns and maneuvers. An excellent choice for surfers of all levels.
THE FCS II PERFORMER IN ACTION
TECHNICAL SPECIFICATIONS
| Specifications | |
|---|---|
| Product | FCS II Performer Tri Fins |
| Brand | FCS |
| Type | Thruster (set of 3 fins) |
| Material | Glass Flex (molded high-tech polymer) |
| Family | Performer: balance of speed, flow, and response |
| System | FCS II (tool-less) |
| Size | Medium (65-80 kg / 145-175 lbs) |
| Color | Black |
| Conditions | All conditions |
| Compatible Boards | All types with FCS II plugs |
| Technology | Inside Foil Technology (IFT) |
| FCS Size Guide | |
|---|---|
| X-Small | Less than 55 kg |
| Small | 55-70 kg |
| Medium | 65-80 kg |
| Large | 75-90 kg |
| X-Large | Over 85 kg |
FAQ
Who are the FCS II Performer Tri Fins for?
The FCS II Performer Tri Fins in size Medium are for surfers of all levels who weigh between 65 and 80 kg. They are the ideal choice for anyone looking for a versatile and reliable set of fins for surfing in all conditions.
What are the benefits of the FCS II Performer?
The Glass Flex construction provides a progressive flex to help maintain speed through turns. The Inside Foil Technology optimizes water flow for better drive, and the FCS II system allows for tool-free installation in seconds.
What sizes are available?
FCS offers 5 sizes: XS (under 55 kg), S (55-70 kg), M (65-80 kg), L (75-90 kg), and XL (over 85 kg). We currently stock the Medium size, which is suitable for riders from 65 to 80 kg.
Are the FCS II Performer compatible with my board?
These fins are compatible with any board that has the FCS II system (direct insert plugs). They are not compatible with the older FCS I system that uses screws. Please check your board's fin system before purchasing.
How should I care for my FCS fins?
Rinse your fins with fresh water after each session. Let them dry in the shade and store them in their original packaging. Regularly check the condition of your board's FCS II plugs to ensure they still provide a secure fit.
Why buy from GlissEvolution?
GlissEvolution has over 20 years of experience in board sports. Our team of passionate riders tests our gear on the local spots of La Baule and Pornichet. We provide responsive, France-based after-sales support, a 2-year warranty, free shipping on orders over 150 €, and the option for in-store pickup at our shop in Pornichet.
Need advice?
GlissEvolution, 2c avenue du Gulfstream, 44380 Pornichet (Loire-Atlantique)
Tel: 09 62 64 74 77, Tuesday to Saturday, 10am-1pm / 3pm-7pm
Test center available by appointment
Customer reviews
Loading reviews...
