Hayabusa S4 Boxing Gloves for Men and Women - Supportive Training

In this review the Hayabusa S4 Boxing Gloves are evaluated as a sensible entry-level option for people beginning boxing or martial arts training who want dependable wrist support and comfortable padding. The S4 stands out mainly because of its splinted wrist support and ergonomic inner pocket, which provide secure alignment and knuckle protection from the moment they are put on. Reviewers and users repeatedly note that these gloves feel comfortable straight away and hold up well during regular training sessions, making them an attractive first pair for practice, sparring, or fitness boxing.

Key Features

• PU engineered leather construction: Offers a durable outer surface that resists wear during frequent training sessions.
• Splinted wrist support: The single strap and internal splint combine to stabilize the wrist and reduce risky bends during impact.
• Ergonomic inner pocket: A pre-curved pocket and proper thumb position help maintain correct fist closure and alignment for safer technique work.
• Injection foam knuckle protection: Layered cushioning protects the knuckles while still allowing feedback for technique development.
• Nylon lining and mesh palm: Internal materials manage sweat and improve breathability so the gloves remain comfortable through long workouts.
• Range of sizes: Available in 10 oz, 12 oz, 14 oz, and 16 oz to suit different training needs and body types.

Who It's For

The Hayabusa S4 is best suited to beginners and fitness athletes who want a reliable, entry-level glove with solid wrist support and comfortable padding for training sessions, cardio boxing, kickboxing, and light sparring. Its build and materials accommodate frequent use, making it a good value for people who train multiple times per week and need a glove that holds its shape.

Experienced competitive fighters or those who need highly specialized sparring gear may prefer higher-end models with advanced multi-layer foam systems or different closure styles. Also, shoppers seeking a very loose or extremely custom fit should try the gloves on first, since some users report mixed opinions about fit across hand shapes.

Pros & Cons

Pros

• Comfortable pre-curved ergonomic pocket that encourages correct fist closure during training.
• Solid wrist support from the splinted wrist design and single strap for a secure fit.
• Durable PU leather and nylon lining that stand up to regular, high-intensity workouts.
• Good knuckle cushioning that balances protection with feel for technique practice.

Cons

• Fit can be subjective; some users find the sizing or internal shape less ideal for their hand, so trying them on is recommended.
• As a starter glove, advanced athletes may outgrow the protection or feel as their needs become more specialized.

Specifications

Material	PU engineered leather
Lining	Nylon with mesh palm
Hand protection	Injection foam knuckle protection
Wrist support	Single layer foam splinting with single strap closure
Closure	Single strap
Ergonomics	Pre-curved pocket and ergonomic thumb position
Available sizes	10 oz, 12 oz, 14 oz, 16 oz

Our Verdict

The Hayabusa S4 is a thoughtful, value-oriented boxing glove that delivers reliable wrist support, comfortable padding, and durable materials for beginners and regular training users. It represents good value for those who want immediate comfort and protective features without stepping up to premium models, though buyers with very specific fit preferences or advanced sparring needs should evaluate fit and protection against higher-end alternatives.

Frequently Asked Questions

Are these gloves good for sparring?
Yes, the S4 offers knuckle cushioning and splinted wrist support suitable for light to moderate sparring, but very heavy sparring or competitive fighters may prefer more advanced padding systems.

What sizes are available?
The gloves come in 10 oz, 12 oz, 14 oz, and 16 oz sizes to suit different training intensities and hand sizes.

How do they handle sweat and breathability?
The gloves use a nylon lining and mesh palm to help wick moisture and improve breathability during extended workouts.