Excellent service and great quality product. The kife is magnificent and the Training baton meet the criteria i was seeking. Top marks
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Afterpay, Paypal & Zip Pay AvailableMaximum Mobility. Lightweight Feel. Premium Protection.
The Onyx Open Thumb Boxing Mitts are engineered for fighters who demand speed, mobility and precision during training. Designed with an open thumb construction and lightweight profile, these premium training mitts allow enhanced hand movement while maintaining reliable impact protection.
Crafted from premium T-Flex material, the outer casing delivers superior durability, moisture resistance and long-term performance. The lightweight foam padding absorbs impact effectively without adding unnecessary bulk, making them ideal for pad work, partner drills and controlled sparring sessions.
The open thumb design improves dexterity and grip flexibility, allowing athletes to clinch, transition and adjust hand positioning with ease. A secure hook-and-loop wrist strap ensures a locked-in fit, offering added wrist stability during repetitive striking.
Built for boxing, MMA and functional combat training - protection and performance in a streamlined design.
Key Features

| Specification | Details |
|---|---|
| Product Type | Open Thumb Boxing Mitts |
| Brand | Onyx by Fitness Hero - Black Series |
| Material | Premium T-Flex |
| Design | Open Thumb |
| Padding | Lightweight High-Density Foam |
| Closure | Hook-and-Loop Wrist Strap |
| Sizes | M / L / XL |
| Use | Boxing, MMA, Training Drills |
| Colour | Black / White |
| Sold As | Pair |
| Warranty | 3 Months |
Performance Benefits
Improved Hand Mobility
Open thumb construction allows greater flexibility during clinch drills and dynamic movement.
Lightweight Speed Profile
Designed to reduce fatigue while maintaining impact absorption.
Durable Elite Finish
Premium T-Flex casing resists cracking and moisture build-up in high-volume training environments.
Frequently Asked Questions (FAQs)
Q: How do I choose my size?
A: Measure around your knuckles (excluding the thumb) with your hand open. If you're between sizes, size up for comfort. Unsure? Contact us with your measurement and we'll match you.
Q: Bag mitts, MMA gloves or boxing gloves - which do I need?
A: Bag mitts like these are the lightest option - built for bag work, pad drills and speed. 4oz MMA gloves add grappling capability and a fight-legal profile, while 10-16oz boxing gloves carry the padding needed for sparring and heavy rounds.
Q: Are these suitable for sparring?
A: They're best suited for pad work, technical drills and controlled partner training. For heavy sparring, full boxing gloves are recommended.
Q: What is T-Flex material?
A: A premium synthetic engineered to replicate leather with enhanced durability, flexibility and moisture resistance - the same material used across our Onyx range.
Q: Do they provide wrist support?
A: Yes - the hook-and-loop wrist strap provides secure wrist stabilisation during training.
Q: How do I care for them?
A: Wipe the T-Flex outer down after sessions and air dry fully before storing - never leave them sealed in your gym bag.
Complete Your Setup: Onyx 5ft Boxing Bag | Onyx MMA Gloves
Browse Full Range: Boxing Gloves
Fast hands, free thumbs - the everyday mitts that keep up with your pace.

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Excellent service and great quality product. The kife is magnificent and the Training baton meet the criteria i was seeking. Top marks
it came in great quality and looked even better than the photos
My yoga mat came within a few days of ordering it, love it!
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