For over 25 years, WeightVest.com has been the leading innovator in adjustable weight vests. Our three core models — V-Force®, V-MAX™, and BOX® — have become the standard in weighted training, trusted by athletes, military, law enforcement, and fitness enthusiasts worldwide. Each model was developed to meet specific needs, but all share the same foundation: durability, performance, and comfort.
The History Behind the Names
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V-Force®: The “V” stands for Vertical Force — gravity itself. Built for maximum reinforcement and heavy-duty training, the V-Force® was the first to set the standard in professional-grade vests.
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V-MAX™: The name represents Maximum Gravity, designed for versatility and variety, offering more color options and sizing for women and youth.
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BOX®: Inspired by early CrossFit® gyms — once called “boxes” — this vest was designed for team and group training, where multiple users needed quick adjustments and easy-to-clean materials.
V-Force®: Built for Military Strength
The V-Force® vest is known for its unmatched reinforcement and rugged design.
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Available in Military Camo, Full Camo (V-Force® II), and Black.
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Offered in long versions and capable of holding up to 150 lbs.
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Features the original 2-inch legacy belt system, which once adjusted, stays locked for consistent fit.
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Favored by tactical units, firefighters, and serious strength athletes who demand maximum durability.
V-MAX™: Versatile and Colorful
The V-MAX™ vest was created to bring more variety without sacrificing toughness.
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Offers 15 color options, making it the most customizable vest on the market.
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Includes women’s and youth sizes to ensure every athlete has the perfect fit.
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Uses the same 2-inch legacy belt system as V-Force®, providing a secure, no-slip fit once adjusted.
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Designed for athletes who want performance and personalization.
BOX®: Designed for CrossFit® and Team Training
The BOX® vest is the go-to for gyms, group workouts, and CrossFit® athletes.
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Available in 15 colors, just like the V-MAX™.
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Built with a slick interior lining that can be wiped down quickly for hygiene between multiple users.
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Features a cam buckle belt system that makes adjusting sizes fast and easy — ideal for teams and shared use.
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The top choice for group fitness facilities that demand both cleanliness and efficiency.
The Design That Changed the World of Weight Vests
Across all three models, we’ve perfected the details that make our weight vests the number one adjustable design in the world:
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Individual Bar Weights: Rounded edges and corners prevent wear on vest pockets while providing a balanced, body-conforming fit.
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Webbing Sling Pocket System: An innovation that suspends the weights so they don’t rub against the stitching, preventing thread wear and premature failure.
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25+ Years of Proven Performance: Our vests are not only trusted by athletes — they’re copied worldwide. But only WeightVest.com delivers the original designs, tested and proven since the beginning.
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The Bottom Line
Whether you choose the V-Force® for tactical strength, the V-MAX™ for versatility and color, or the BOX® for group training and hygiene, you’re getting more than just a vest — you’re getting a piece of fitness history. For over 25 years, WeightVest.com has been the leader in adjustable weighted training gear, and our three models remain the gold standard for anyone serious about fitness.
👉 Explore the full collection today at WeightVest.com and discover why we’ve been the trusted name in weight vests for over two decades.