JS Sub Xero Hyfi 3 Surfboard 5Ft 10

• Length – 5’10”
• Width – 20 7/8”
• Thickness – 2 13/16”
• Volume – 37.1 litres
• Construction – HyFi 3
• Fin Boxes – FCS II boxes
• Ideal Conditions – Small to head-high surf
• Board Type – High-performance small-wave shortboard

Product Description

The JS Sub Xero HyFi 3 Surfboard in 5’10” is designed for surfers who want easy speed, strong paddle power and modern performance in everyday conditions. With extra volume and width compared to shorter sizes, this version makes wave entry effortless while still keeping the board lively and responsive once you’re on your feet.

At 37.1 litres, the 5’10” is forgiving and stable, helping you get into waves early and carry speed through flatter sections. The refined outline and rocker prevent it from feeling bulky, allowing confident turns and controlled rail engagement when the waves offer a bit more push.

Built using HyFi 3 construction, the Sub Xero feels light, durable and energetic underfoot. The hybrid build improves strength and flex control over traditional PU boards, giving a crisp feel that holds up session after session. Finished with FCS II boxes, it’s easy to fine-tune your fin setup to suit conditions and surfing style.

What We Love

• Plenty of volume for easy wave entry.
• Still feels fast and responsive despite the extra size.
• HyFi 3 construction adds strength without weight.
• Great choice for everyday and weaker conditions.
• Ideal daily driver for surfers wanting more forgiveness.

Expert Advice

The 5’10” Sub Xero is perfect if you want a small-wave board that paddles easily and feels stable without giving up performance. It’s especially good if you’re stepping down from a larger hybrid or want something that makes average sessions more fun without having to surf perfectly every wave.

Q&A

Q: Who is this size best suited to?
A: Intermediate to advanced surfers who want extra volume and paddle power in a performance shape.

Q: Is this suitable for small, weak waves?
A: Yes — the extra volume helps generate speed and maintain flow in softer conditions.

Q: How does HyFi 3 compare to PU?
A: HyFi 3 is lighter, more durable and more responsive, with improved flex control.

Q: What fins should I use?
A: A medium to large thruster set is a great starting point, depending on your weight and preferred feel.