
Futures Small F4 Thermotech Thruster Surfboard Fin
The F4 Thermotech is a small sized thruster in the Neutral template category. Made in Huntington Beach, the Thermotech product line does not have the traditional plastic feel of a composite fin. Instead, they have a consistent flex that creates drive and release through turns. Thermotech fins come with the Futures Truss Base, making them lighter and stronger.
- Template Category | Neutral (balanced/fluid)
- Construction | Thermotech
- Size | Small (105 – 155 lbs)
Fin Dimensions:
Side Fins Center FinArea 14.22 14.22
Height 4.37 4.37
Base 4.22 4.22
Foil FLAT SYMM
Original: $55.82
-65%$55.82
$19.54Futures Small F4 Thermotech Thruster Surfboard Fin
The F4 Thermotech is a small sized thruster in the Neutral template category. Made in Huntington Beach, the Thermotech product line does not have the traditional plastic feel of a composite fin. Instead, they have a consistent flex that creates drive and release through turns. Thermotech fins come with the Futures Truss Base, making them lighter and stronger.
- Template Category | Neutral (balanced/fluid)
- Construction | Thermotech
- Size | Small (105 – 155 lbs)
Fin Dimensions:
Side Fins Center FinArea 14.22 14.22
Height 4.37 4.37
Base 4.22 4.22
Foil FLAT SYMM
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The F4 Thermotech is a small sized thruster in the Neutral template category. Made in Huntington Beach, the Thermotech product line does not have the traditional plastic feel of a composite fin. Instead, they have a consistent flex that creates drive and release through turns. Thermotech fins come with the Futures Truss Base, making them lighter and stronger.
- Template Category | Neutral (balanced/fluid)
- Construction | Thermotech
- Size | Small (105 – 155 lbs)
Fin Dimensions:
Side Fins Center FinArea 14.22 14.22
Height 4.37 4.37
Base 4.22 4.22
Foil FLAT SYMM


















