What does “Fusion” mean in the context of this rash guard?

The Fusion name refers to the two-tone colour-blocked design — each colourway pairs two distinct colours (Black/Purple, Blue/Green, Grey/Aqua, Purple/Green) in a bold contrast pattern that “fuses” the two colours across the garment. The Fusion line sits in the middle of Hayabusa’s rash guard range — the same core compression construction as the standard rash guard range, with a more visually dynamic design aesthetic than the more subdued Geo or Ranked lines.

Is a long sleeve rash guard better for competition?

Long sleeve rash guards are the standard for most no-gi BJJ competition formats. Many organizations specify that competitors must wear full-length sleeve rash guards in competition — IBJJF no-gi events specify long sleeve for submission wrestling and grappling divisions. Short sleeve rash guards are generally accepted for training but may not meet competition requirements for formal events. If you compete in no-gi BJJ events, long sleeve is the safer choice to ensure compliance.

Can I pair the Fusion Long Sleeve with a gi for training?

Yes — the athletic compression fit is designed to layer smoothly under a gi jacket and pants. Wearing a rash guard under your gi provides skin protection, moisture management, and a hygienic barrier. The compression fit prevents the rash guard from bunching or shifting under the gi during rolling. For BJJ practitioners who alternate between gi and no-gi training, a single rash guard worn under the gi and then standalone for no-gi is a practical approach.

How do I care for the Fusion Long Sleeve Rash Guard?

Machine wash cold on a gentle cycle, inside out to protect the colour-blocked design and compression fabric. Air dry or tumble dry on low heat only — high heat degrades compression fabric and can cause colour fading in two-tone designs over time. Wash after every training session to maintain anti-microbial performance. Avoid fabric softeners, which reduce the moisture-wicking effectiveness of compression fabrics.

Hayabusa Fusion Long Sleeve Rash Guard – MMA & BJJ Compression Performance Top

Hayabusa

Hayabusa Fusion Long Sleeve Rash Guard – MMA & BJJ Compression Performance Top

$59.99 USD $77.95 USD

Size Small Medium Large X-Large XX-Large

Color Black/Purple Blue/Green Grey/Aqua Purple/Green

Pickup available at 1320 Farmville Road

Usually ready in 24 hours

Reliable shipping

Flexible returns

Performance compression engineered for grappling, no-gi BJJ, and MMA — the Hayabusa Fusion Long Sleeve Rash Guard delivers tournament-grade construction with locked-in muscle support and a bold colour-blocked design.

The Fusion Long Sleeve Rash Guard brings Hayabusa’s pro-grade rash guard construction to a vibrant two-tone palette — four-way stretch compression, flatlock seams, moisture-wicking fabric, and anti-microbial finish in distinctive colour-blocked colourways that stand out on the mat.

Key Features

Athletic-fit compression cut for unrestricted grappling movement
Flatlock stitching eliminates chafe and friction during rolls
Moisture-wicking, quick-dry performance fabric
Reinforced collar and cuffs hold their shape under stress
Anti-microbial treatment fights odour between washes

Best For

No-gi BJJ, MMA training, grappling competition, and conditioning.

Available in Black/Purple, Blue/Green, Grey/Aqua, and Purple/Green in sizes Small through XX-Large.

About Hayabusa

Hayabusa Fightwear has been engineering combat-sport gear since 2005, trusted by world champions across MMA, boxing, Muay Thai, and BJJ.

Frequently Asked Questions

What does “Fusion” mean in the context of this rash guard?: The Fusion name refers to the two-tone colour-blocked design — each colourway pairs two distinct colours (Black/Purple, Blue/Green, Grey/Aqua, Purple/Green) in a bold contrast pattern that “fuses” the two colours across the garment. The Fusion line sits in the middle of Hayabusa’s rash guard range — the same core compression construction as the standard rash guard range, with a more visually dynamic design aesthetic than the more subdued Geo or Ranked lines.
Is a long sleeve rash guard better for competition?: Long sleeve rash guards are the standard for most no-gi BJJ competition formats. Many organizations specify that competitors must wear full-length sleeve rash guards in competition — IBJJF no-gi events specify long sleeve for submission wrestling and grappling divisions. Short sleeve rash guards are generally accepted for training but may not meet competition requirements for formal events. If you compete in no-gi BJJ events, long sleeve is the safer choice to ensure compliance.
Can I pair the Fusion Long Sleeve with a gi for training?: Yes — the athletic compression fit is designed to layer smoothly under a gi jacket and pants. Wearing a rash guard under your gi provides skin protection, moisture management, and a hygienic barrier. The compression fit prevents the rash guard from bunching or shifting under the gi during rolling. For BJJ practitioners who alternate between gi and no-gi training, a single rash guard worn under the gi and then standalone for no-gi is a practical approach.
How do I care for the Fusion Long Sleeve Rash Guard?: Machine wash cold on a gentle cycle, inside out to protect the colour-blocked design and compression fabric. Air dry or tumble dry on low heat only — high heat degrades compression fabric and can cause colour fading in two-tone designs over time. Wash after every training session to maintain anti-microbial performance. Avoid fabric softeners, which reduce the moisture-wicking effectiveness of compression fabrics.