SKU: 14036034966
fisting gear

fisting gear The Properfist Training Glove: Train With Proper Fist Form From Day On – Onslaught Sports

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Description

fisting gear The Properfist Training Glove: Train With Proper Fist Form From Day On – Onslaught SportsThe only glove invented to naturally position your thumb over your fingers, helping reduce injury and build correct punching mechanics. Traditional boxing gloves leave room for bad habits. Poor fist alignment, misplaced thumbs, and unnecessary strain on your hands. This glove was built differently. By guiding your hand into a natural, structurally sound fist position, it helps reinforce proper form every time you punch. Built for: Beginners learning

The only glove invented to naturally position your thumb over your fingers, helping reduce injury and build correct punching mechanics.

Traditional boxing gloves leave room for bad habits. Poor fist alignment, misplaced thumbs, and unnecessary strain on your hands.

This glove was built differently.

By guiding your hand into a natural, structurally sound fist position, it helps reinforce proper form every time you punch.

 

Built for:

  • Beginners learning how to punch correctly
  • Fitness boxing & cardio classes
  • Self-defense training
  • Athletes focused on technique and hand safety

 

We feel that these are the best gloves for MMA, self-defense, or fitness boxing because they're the only training gloves invented to guide your hand into the optimal fist position, and grab.

  • Self defense fitness boxers can condition themselves to automatically form a proper closed fist because that's how you're going to be fighting.
  • Fighters with bad hands or joints can now enjoy the structural stability of a closed fist because a proper fist lessens impact on the hands and joints. 
  • MMA fighters can make a fist just like on fight night and also combine striking and ground work (without exposed fingers) so training will resemble a fight in the clinches.

Get a free t-shirt when you provide your size at checkout.

16 ounce, leather, and crafted in small batches by expert artisans, the Properfist glove has been recommended by MMA fighters, boxers, and coaches.

Note that the Properfist glove does Not have a tied/anchored thumb and that black, red, white, pink, and vintage brown are an updated version with a more broken-in feel and therefore slightly higher in cost.

 

Studies denote the importance of being able to form a proper closed fist

 

From the study "The biomechanics of human fist strikes and their relevance to forensic medicine" (Bir et al., 2009) published in the Journal of Forensic and Legal Medicine:

"The configuration of the hand during a strike, particularly the degree to which the fist is clenched, affects both the magnitude of force transmitted and the risk of injury to the striker."

"Strikes with a loosely formed fist or with improper alignment of the wrist are more likely to result in injury to the metacarpals or carpal bones."

From the study “Protective buttressing of the hominin face” (Carrier et al., 2012) published in Biological Reviews:

“The proportions of the human hand allow the formation of a clenched fist in which the fingers fold tightly against the palm and the thumb locks across the distal phalanges. This configuration buttresses the hand and may protect the metacarpals during striking.”

“The ability to form a fist was a selective advantage in male–male competition because it improved striking performance while protecting the hand from injury.”


From the study "Epidemiology of Hand Injuries in Boxing" (Zazryn et al., 2003) published in British Journal of Sports Medicine:

“Hand and wrist injuries were the most common injuries in both professional and amateur boxing, suggesting that despite protective equipment, the hand remains vulnerable.”

 

 

 

Why It Matters: A Fighter’s Story:

“After over 20 years in boxing, the worst injuries I sustained weren’t to my face or ribs, they were to my hands and joints. Eventually, the pain got so bad, I couldn’t even hit the heavy bag, a core part of my training and one of the things I loved most.”

The Properfist Glove was created out of that experience to protect the most important tools a fighter has: their hands.

Ready to protect your hands and power up your training?
Make the switch. Feel the difference. Train with Properfist.

Read more about my story.... 

 

Disclaimer: The Properfist glove is intended for heavy bag work and controlled MMA sparring. It's configuration resulting in a tight fist delivering a hard blow is not recommended for full-contact boxing. Use of this equipment is at your own risk.

 

Disclaimer: For Canada, UK and Australia/ NZ orders, the customer will be responsible for any custom duties and taxes incurred.

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 14036034966

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Joseph Espi
Natrona Heights, US
★★★★★ 5
Heavy-Duty Power for Any Workshop or Garage
Size: 6ft, Color: Yellow
I recently upgraded my workspace with the JUNNUJ 16-Outlet Heavy Duty Power Strip, and it has completely transformed how I manage tools and electronics in my garage. Why It Stands Out: Ample Outlets With 16 wide-spaced outlets, it accommodates bulky plugs, adapters, and chargers without blocking neighboring sockets. Perfect for workshops or garages where multiple tools run simultaneously. Durable Construction The full metal housing gives it an industrial-grade feel, and it can handle heavy-duty equipment without bending or warping. Unlike plastic strips, this one feels built to last. Safety First Equipped with surge protection and grounded outlets, it keeps both tools and electronics safe. I feel confident plugging in expensive power tools or charging devices without worrying about power spikes. Practical Length The long cord allows me to reach multiple corners of my garage without needing extension cords, reducing clutter and tripping hazards. Professional-Grade Design Wide-spaced, high-capacity, and metal-built — this is clearly designed for industrial or garage use, not just casual household tasks. It’s heavy-duty without being overcomplicated. Minor Considerations: It’s larger and heavier than standard power strips, so it needs a stable mounting spot or surface. Price is higher than a typical household strip, but for the durability and outlet capacity, it’s worth it. Bottom Line: The JUNNUJ 16-Outlet Heavy Duty Power Strip is a powerhouse for garages, workshops, or any space with multiple high-demand devices. Durable, safe, and highly practical, it’s a must-have for anyone who needs reliable industrial-grade power management.
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Reviewed in the United States on November 19, 2025
J
Verified Purchase
Jesse J. Medina
Cuba, US
★★★★★ 5
Reliable and affordable
Size: 6ft, Color: Yellow
Great electric plug extension
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Reviewed in the United States on April 13, 2026
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Verified Purchase
Barfly
West Palm Beach, US
★★★★★ 5
Works great
Size: 6ft, Color: Silver
Just what I needed for my Dept 56 Christmas display. In past years, it's been a challenge to find enough open plugs for my display. This power strip completely solved that problem. I wish I had found this sooner.
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Reviewed in the United States on April 23, 2026
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rice650
Whiting, US
★★★★★ 4
Better than expected - big office cleanup
Size: 6ft, Color: Yellow, Size: 6ft, Color: Yellow
I got this power strip because it seemed like the most plausible one available, notwithstanding the reviews which particularly complained about it being prone to overheating. I certainly didn't want to burn down my home, so I tested it pretty thoroughly before I got anywhere near installing it. The power strip arrived exactly as claimed. It is indeed 45 inches long with sixteen outlets. The power cord is substantial-feeling, and feels like it's probably 14 AWG, or possibly #12 (Pic 1), and was the length I expected (6' in my case). The mounting brackets are sufficient to mount the power strip, but only at the ends, and they can't be concealed. This means that things don't end up as solid as one would like, and if you really care about aesthetics you'll end up being offended, but hey this is a power strip, and if you didn't have it the power cord mess would be way uglier. The outlets themselves are spaced out well enough that there's enough room to put in fairly wide wall wart transformers, but not those which have the plug pins configured such that the transformer has to point sideways. This means that if you want to be able to fill all of the slots, you can only put one of these in, and it has to go at the right-hand end. If you locate it on the left then it covers the switch. In my case, I filled the strip up completely, with one sideways transformer at the right hand end, and I still have many more plugs which won't go, but I've at least managed to improve my cable management a fair bit. Before I installed it, I tested it by boiling an electric kettle using the outlet which is the farthest from the switch (Pic 2). This is the most stressful way to test things, since is stresses all of the wiring and intermediate outlets before it even gets to the one I was using. The kettle draws 11.6 Amps, so about 1400W (though it's amps that actually matter). I then watched the thermal behaviour of the power strip as it worked. As can be seen the first thermograph, Pic 3, the power strip itself stayed cool, indeed barely above ambient. The power meter and power cord going to the kettle are on the right. Pic 4 shows a detail of the switch end of the power strip. The switch never heated to above 77F, which was again barely above ambient. Pic 5 shows a detail of the power meter shown in Pic 2. As can be easily seen, the power cord for the kettle warms up a bit, reaching 100F, but this is clearly the kettle's power cord and plug warming up, not the power strip itself. Pic 6 shows a detail of the unused outlets on the strip. These all warmed up a little, but never got over 83F. To me, this is negligible. As a result of this testing, I had no problems with going ahead and installing the power strip. I knew I'd be filling the power strip, but just adding up the devices I planned to plug in (two desktops, four screens, and numerous other devices), I knew that I wouldn't need more than about 4.5 amps, so I have at least 2.6X headroom. Pic 7 shows a part of the power strip as installed - I couldn't get far enough back to show all of it. Pic 8 is a thermograph of the same, with the power strip running across the middle of the picture. The how spots on the power strip are all transformers - clearly not very efficient, but not actually more than warm, and not the power strip's fault. By contrast, the really hot items visible are a DSL router on the far right, and a VOIP phone device lower on the right. Thus, I conclude that there's nothing untoward with the power strip. Lots of the devices I use are inefficient and/or run fairly hot, but if my house burns down, it doesn't look like it's going to be because of this power strip. All told, this product seems to be very good value for something that actually cleans up my life and has this many outlets. It exceeded my expectations, particularly since my expectations had been lowered by some of the other reviews. It would certainly have been better (for me) had it been longer and with more, and more widely-spaced, outlets, but I can't fault them for making what they made, and their claims seem to have been accurate. Still, the construction is not terribly sturdy and the mounting brackets should have been better thought out.
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Reviewed in the United States on February 2, 2026
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Verified Purchase
Analu Frantz
Lake Worth, US
★★★★★ 5
Plenty of Outlets and Solid Build
Size: 6ft, Color: Silver
I now have way more outlets than I’ll ever need—haha—but that’s not a bad problem to have! This power strip fits neatly behind my TV stand and feels very well made. The spacing between outlets is convenient for larger plugs, and it seems built to last. Overall, a high-quality and practical solution for managing multiple devices.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 13, 2025

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