ISA Rules
🏛️Official — ISA2.1 Surfboard Specifications
Verdict
Board type: Shortboard. Typically 5'6" to 6'6" (168–198 cm) in length, though the ISA does not enforce strict minimum or maximum dimensions. The board must be deemed safe by the Head Judge and equipment inspectors.; Fin configuration: Three-fin (thruster) setup is standard, though quad-fin and tw...
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