Hayabusa S4 Lace Up Boxing Gloves for Men and Women - Secure Fit

In this review of the Hayabusa S4 Lace Up Boxing Gloves, the bottom line is simple: these are a dependable lace-up option for entry-level fighters and regular trainers who want a snug, protective glove for bag work, pad sessions, and sparring. The S4 stands out for its traditional full lace palm and splinted wrist support, which combine to deliver a locked-in fit and stable wrist alignment from the moment you lace up. Comfort-focused touches like the pre-curved pocket, breathable mesh palm, and PU leather construction mean they handle high-intensity use without feeling overly stiff.

Key Features

• Full lace palm: The traditional lace closure provides a customizable, secure fit that keeps the glove stable during heavy bag rounds and partner drills.
• Splinted wrist support: The single layer foam splinting reduces risky wrist bends and helps maintain safe alignment on impact.
• Comfortable ergonomic pocket: The pre-curved anatomical pocket with grip bar and correct thumb position promotes natural fist closure and reduces hand fatigue.
• Durable materials: PU engineered leather with a nylon lining and aerated mesh palm resists wear while improving airflow during long sessions.
• Padded knuckle protection: Injection foam knuckle padding cushions strikes for safer sparring and repeated bag work.
• Multiple sizes: Available in 10 oz, 12 oz, 14 oz, and 16 oz to suit different training needs and body sizes.

Who It's For

The Hayabusa S4 Lace Up gloves are best suited for entry-level and intermediate boxers, kickboxers, and martial artists who want a lace-up glove that prioritizes wrist stability and a tailored fit for sparring, padwork, and heavy bag use. Trainers that alternate between mitts and partner sparring will appreciate the secure feel and knuckle cushioning.

Those who should look elsewhere include athletes who need a quick on/off glove for cardio classes or frequent gym switches, since lace-up closures require assistance to put on. Also, professionals wanting top-tier leather or custom padding profiles may prefer higher-end models.

Pros & Cons

Pros

• Secure, adjustable fit thanks to the full lace palm that locks the hand in place.
• Reliable wrist protection from the splinted wrist support and single layer foam splinting.
• Comfort-oriented design with a pre-curved pocket, grip bar, and breathable mesh palm for longer sessions.
• Durable PU leather and nylon lining that stand up to regular training.

Cons

• Lace-up closure requires a partner or extra time to put on and remove, so they are not as convenient as hook-and-loop gloves.
• PU leather is durable but not the same longevity or feel as genuine leather for very high-mileage users.

Specifications

Material	PU engineered leather
Lining	Nylon
Closure	Full lace palm (lace-up)
Hand protection	Injection foam knuckle protection
Wrist support	Single layer foam splinting with splinted support
Ergonomics	Pre-curved anatomical pocket, grip bar, attached thumb
Ventilation	Aerated mesh palm

Our Verdict

The Hayabusa S4 Lace Up gloves are a solid value for entry-level to intermediate fighters who want a glove that locks the hand and protects the wrist without breaking the bank. Their combination of a tailored pre-curved pocket, splinted wrist support, and breathable construction makes them well suited for regular sparring and bag work; they are best chosen when you have someone to help lace them up and want reliable protection and fit.

Frequently Asked Questions

Are these gloves suitable for sparring?
Yes. The S4 has injection foam knuckle protection and a splinted wrist to provide the cushioning and stability needed for sparring sessions.

Do they run true to size?
S4 gloves come in standard boxing weights (10 oz, 12 oz, 14 oz, 16 oz); choose the weight that matches your sparring or bag needs and the fit will be secure due to the lace-up closure.

Can I use these for heavy bag work?
Absolutely. The PU leather construction, nylon lining, and breathable mesh palm are designed to withstand high-intensity bag training week after week.