JS Blak Box 2 Squash Tail HYFI Surfboard

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An ultra-versatile board in an innovative construction, the JS Blak Box 2 Squash Tail HYFI Surfboard delivers high speeds flying down the line and incomparable projection off the lip. After years of development and extensive series of tests, the JS team is confident that their Hybrid Fiber Diamond Construction is 30% stronger and 20% lighter than standard PU construction. Precision engineered to be faster, stronger and lighter than anything else out there, HyFi boards utilize cutting edge materials yet retain the ability for you to ride your normal dimensions in the improved technology.

An epic all arounder, the JS Blak Box 2 Surfboard can handle everything from crumbly slop to spitting barrels. The original summer days performer, the Blak Box is a no frills, no nonsense shape for surfers who want something they can rely on in absolute junk - yet still have fun on when its good. The Blak Box 2 has a solid reputation as a forgivable performer, creating speed instantly when the waves are small thanks to its fuller outline and low entry/exit rockers, yet still having the ability to handle when the swell’s up due to its subtle bottom contours and performance hip squash tail. The Blak Box 2 comes standard with a 5 fin set-up and has expanded its range of wave types without compromising performance in the small stuff.

*Images shown are stock photos, actual board logo may vary slightly.


  • TAIL: Squash

  • FIN CONFIGURATION: Tri-Quad, Fins Not Included

  • FINS: Futures or FCSII


  • SURFBOARD TYPE: Shortboard


Hybrid Fiber Diamond
The technology behind JS's HYFI, Hybrid Fiber Diamond construction was pulled from a variety of high impact, long-lasting boardsport manufacturing techniques. The development team started with the most flexible base they could imagine, an EPS core with no stringer, and from there began the painstaking process of balancing strength, weight and flex. The goal with HyFi was to create an ultra-high performance board that would go the distance, even at professional level contest weight.

Rigorously tested with the JS team, it took an exact combination of materials, layering processes, and exclusive construction techniques to create the incredibly durable exoskeleton we now know as HyFi. The result is more spring, more speed, and more acceleration. Precision engineered to be faster, stronger and lighter than anything else out there Hybrid Fiber Diamond is pushing the limits of modern surfboard technology. HyFi, welcome to the future.


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