Monster Band Set 38” 41”
Monster Band Set 38” 41”
5-Year Warranty, Guaranteed Durability
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The PO Monster Band Set is the next evolution in resistance training. Built with a 6.50 mm thickness and a reinforced 32-layer lamination process, this 4-band set is designed for athletes who demand extreme strength, durability, and control.
Available in both 41″ for versatile training and 38″ for maximum intensity, the PO Monster Band Set delivers smooth, consistent resistance with no weak spots, thanks to perfectly distributed latex. And just like our original PO Bands, they come with a five-year warranty for long-term reliability.
For Seamless Progression
The Orange Band remains 4.5 mm by design, providing a lightweight entry-level option. Combined with the upgraded PO Monster Bands, this set ensures smooth progression across every training level.
Resistance Levels – Optimized for the Heavydutybar Set
When paired with the Heavydutybar PO Plate, the bands can be shortened to unlock virtually unlimited resistance levels.
Key Benefits
• Complete 4-band set engineered for monster strengt
• 32-layer lamination technology for unmatched durability
• Choice of 41″ (versatile) or 38″ (compact & stronger)
• Even latex distribution for smooth, controlled resistance
• 5-year warranty for long-term reliability
• Fully optimized for the Heavydutybar Set
41″ Resistance Levels:
- Orange (0.25”): Single 4.5–9 kg | Double 9–18 kg
- Grey (0.50”): Single 17.9–29.4 kg | Double 35.8–58.9 kg
- Light Green (1.125”): Single 29.4–52.5 kg | Double 58.9–105.0 kg
- Yellow (1.75”): Single 52.5–89.6 kg | Double 105.0–179.2 kg
38″ Resistance Levels:
- Orange (0.25”): Single 4.5–9 kg | Double 9–18 kg
- Grey (0.50”): Single 19.2–31.1 kg | Double 38.4–62.2 kg
- Light Green (1.125”): Single 31.5–56.0 kg | Double 63.0–112.0 kg
- Yellow (1.75”): Single 56.3–96.6 kg | Double 112.6–193.2 kg

Frequently Ask Questions
FAQs
Why do I need a bar and platform?
A bar and platform provide a stable base, allowing you to generate more force compared to using bands alone. This setup enables higher resistance levels and full-body engagement, making your workouts more effective for muscle growth. Additionally, it helps distribute force evenly, protecting your hands, wrists, and ankles during exercises.
Can you build muscle with resistance bands?
Yes, resistance bands can effectively build muscle. Studies have shown that training with resistance bands provides similar strength gains to conventional gym equipment.  This is because resistance bands offer continuous tension throughout the movement, leading to significant muscle activation and growth.
What is variable resistance?
Variable resistance refers to the changing resistance levels throughout an exercise’s range of motion. As you move, the resistance increases, aligning with your body’s natural strength curve. This means you’re working against optimal resistance at each point in the movement, leading to improved strength and muscle development.
What makes Heavydutybar different from other band systems?
Unlike traditional band systems, the Heavydutybar features an innovative band-shortening mechanism. This design ensures consistent tension throughout the entire range of motion, addressing the common issue of insufficient tension at the start of movements. This mechanism allows for precise resistance adjustments, facilitating effective progressive overload—a key principle for muscle growth. By providing a stable platform and customizable resistance, the Heavydutybar enhances the effectiveness of resistance band training, making it a superior choice for those seeking efficient and safe muscle development.