Hayabusa S4 PU Leather Boxing Gloves - Beginner Training & Sparring

Our review of the Hayabusa S4 PU Leather Boxing Gloves finds them best suited to beginners and fitness boxers who want immediate comfort and wrist protection without a high price. The biggest reason to buy is the supportive fit and padded knuckle protection that lets users train and spar with confidence; the gloves arrive feeling comfortable thanks to the pre-curved ergonomic pocket, grip bar and a secure single-strap closure. They are built from PU leather with a mesh palm and nylon lining that together aim to stand up to regular high-intensity sessions.

Key Features

• PU leather construction: Provides a durable, easy-care outer that is intended to hold up through frequent training sessions.
• Pre-curved ergonomic pocket: Encourages natural fist closure and consistent hand alignment for safer striking practice.
• Single-strap with splinted wrist support: Delivers a secure, stabilized wrist position to reduce the risk of harmful bends during punches.
• Mesh palm and nylon lining: Improve internal ventilation and comfort to help hands stay drier during long workouts.
• Padded knuckle protection: Thick cushioning foam over the knuckles offers extra protection for beginners learning technique.
• Multiple sizes available: Offered in 10 oz, 12 oz, 14 oz, and 16 oz to match body size and training purpose.

Who It's For

The S4 gloves are ideal for people starting boxing, kickboxing or martial arts who need a supportive, well-padded glove for bag work, mitt drills and light sparring. The combination of a pre-curved pocket and splinted wrist support means new students and fitness athletes will get immediate protection while they learn proper fist alignment.

Those with larger hands who prefer a very roomy fit or fighters seeking premium leather and advanced multi-layer foams for heavy daily sparring may want to consider higher-end models. Also, users who need specialized competition gloves or custom padding options should look elsewhere.

Pros & Cons

Pros

• Comfortable fit out of the box thanks to the ergonomic pocket and grip bar.
• Reliable wrist stability from the single strap and splinted support for safer training.
• Good value for beginners with protective knuckle padding and breathable palm design.
• Durable PU leather and nylon lining that handle regular workouts.

Cons

• Fit is mixed for some users; a few find the gloves snug and may require break-in or sizing up.
• PU leather, while durable, is not the same as premium genuine leather for long-term heavy use.

Specifications

Brand	Hayabusa
Material	PU leather outer, nylon lining, mesh palm
Padding	Cushioning foam with padded knuckle protection
Wrist Closure	Single strap with splinted wrist support
Ergonomics	Pre-curved pocket and grip bar with proper thumb position
Sizes	10 oz, 12 oz, 14 oz, 16 oz
Package	1 pair of S4 Boxing Gloves

Our Verdict

The Hayabusa S4 is a smart, value-oriented choice for beginners and fitness boxers who need protection, support and a comfortable fit without a high price tag. With its pre-curved pocket, splinted wrist support and breathable palm, it covers the essentials for training and light sparring; those seeking premium leather or a roomier feel should shop higher up the range.

Frequently Asked Questions

Are these gloves suitable for sparring?
Yes, the S4 offers padded knuckle protection and wrist support suitable for light to moderate sparring, though heavier daily sparring may call for higher-end models.

What sizes are available?
The gloves come in 10 oz, 12 oz, 14 oz and 16 oz to match different body sizes and training needs.

How is the fit?
Fit is generally comfortable with a pre-curved pocket, but some users report a snug feel and may prefer to size up depending on hand width.