Monster Purple 38″
Monster Purple 38″
5-Year Warranty, Guaranteed Durability
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The PO Monster Band Purple is designed for athletes who want serious resistance in a compact band. At 2.5 inches wide and 6.50 mm thick, with our upgraded 32-layer lamination process, it delivers outstanding durability and monster-level strength.
The shorter 38″ design increases resistance further, making this band ideal for advanced lifters, heavy compound movements, and progressive overload. While not the heaviest band in our lineup, it offers one of the toughest resistance profiles available in the Monster series.
Optimized for the Heavydutybar Set
When combined with the Heavydutybar PO Platform, the Purple Band can be shortened to unlock virtually unlimited resistance levels, perfect for challenging your limits and driving serious strength progression.
Key Features
- 6.50 mm thick & 32-layer laminated for maximum durability
- 2.5″ width for heavy resistance
- Compact 38″ length for added intensity
- Even latex distribution for smooth, controlled performance
- 5-year warranty for long-term reliability
- Designed for the Heavydutybar Set
Resistance Levels:
Single 58.0–113.2 kg | Double 116.0–226.5 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.