Fairtex HB5 4-Foot Syntek Heavy Bag is a versatile training tool built for the full spectrum of striking techniques. Constructed from heavy-duty Syntek leather with non-tear nylon lining, this 4-foot bag provides the ideal length for practicing punches, elbows, knees, and kicks across all martial arts disciplines. Industrial-strength nylon web straps with reinforced stitching and rivets at key stress points ensure exceptional durability through years of commercial gym use. Weighing approximately 31kg (68 lbs) when filled, it delivers optimal resistance for power development while maintaining stability during combination work. Handcrafted in Thailand, it's ready to hang and handle everything from technical striking to heavy power training.

Why You'll Love It

• 4-Foot Optimal Length: Perfect size for practicing the complete arsenal—punches at head level, body shots, knees at torso height, and kicks from low to high without excessive bag length
• Heavy-Duty Syntek Leather: Water-resistant synthetic material outlasts traditional leather, repelling sweat and moisture while requiring minimal maintenance in humid gym environments
• Non-Tear Nylon Lining: Reinforced interior construction prevents splitting at stress points and filling breakdown, maintaining bag shape and consistency through thousands of heavy strikes
• Industrial-Strength Web Straps: Nylon web strap system with reinforced rivets distributes hanging stress better than chains, extending bag lifespan and preventing premature mounting failure
• Balanced 31kg Weight: Optimal filling weight provides proper resistance for power development without excessive swinging, allowing technical work and combination training to flow naturally
• Reinforced Stress Points: Strategic stitching and riveting at critical areas prevent common failure points, ensuring the bag maintains structural integrity under daily commercial gym punishment

Best For

• Complete Striking Training: Ideal for drilling punches, elbows, knees, and kicks in a single training session without needing multiple bags
• Muay Thai & Kickboxing: 4-foot length perfectly accommodates the full range of Muay Thai techniques from teeps to high kicks to knee strikes
• Boxing & MMA: Excellent for boxing combinations, uppercuts, hooks, and MMA ground-to-stand transitions requiring mid-height targets
• Home & Commercial Gyms: Balanced weight and professional construction suit both personal training spaces and high-volume commercial facilities

Fit & Feel

• Stable Target: 31kg weight provides enough mass to absorb power strikes without wild swinging, maintaining position for continuous striking flow
• Consistent Resistance: Firm padding delivers proper feedback for power development while protecting hands, shins, and elbows during heavy sessions
• Ready to Install: Arrives pre-filled and ready for immediate hanging with appropriate mounting hardware and swivel (not included)
• Pro tip: The 4-foot length is the most versatile size—tall enough for high kicks and head strikes, short enough to avoid excessive ground clearance issues in standard gyms

UK Size Guide

Heavy bag specifications:

Fairtex HB5:

• Length: 4 Feet (122 cm)
• Weight: Approximately 31 kg (68 lbs) when filled
• Diameter: Standard heavy bag diameter
• Hanging Height: Requires 8-9 feet ceiling clearance for proper installation
• Usage: All martial arts (Muay Thai, Boxing, Kickboxing, MMA)

Ensure mounting location can support dynamic loads exceeding bag weight before installation

Tech Specs

• Model: HB5
• Outer Material: Syntek Leather (Heavy-Duty Water-Resistant)
• Interior Lining: Non-Tear Nylon
• Strap System: Industrial-Strength Nylon Web Straps
• Reinforcement: Rivets at Key Stress Points
• Length: 4 Feet (122 cm)
• Weight (Filled): Approximately 31 kg (68 lbs)
• Training Style: Multi-Purpose (All Martial Arts)
• Origin: Handcrafted in Thailand
• Mounting Hardware: Not Included (Swivel Recommended)
• Colour: Black

FAQs

Does this come filled or do I need to fill it myself?

Comes pre-filled to approximately 31kg and ready to hang. No additional filling required—just mount and start training.

Is 4 feet long enough for high kicks?

Yes—4 feet is the standard versatile length that accommodates head-height strikes for most users while remaining practical for various ceiling heights.

How does Syntek compare to genuine leather?

More durable in humid environments, water-resistant, doesn't absorb odors, requires less maintenance, and typically outlasts genuine leather. No break-in period needed.

What weight capacity do I need for mounting?

Your mounting point should support at least 100kg (220 lbs) dynamic load to safely handle the bag weight plus striking forces.