The FU Arsenal | All Men’s & Women’s Activewear

Welcome to the FU Arsenal—the full FITNESS UNION™ collection for people who don't do average.

Men's. Women's. Training gear for every session, every limit, and every excuse you plan on leaving behind.

We've stripped away the fluff, the fake “lifestyle” nonsense, and the gear designed to look busy while doing absolutely nothing. This is activewear for people who actually train.

Heavy lifting. Early mornings. Brutal HIIT sessions. One more rep when your body is already negotiating terms.

Whatever your training looks like, your time is yours. Choose your gear. Set your priority. ME = PRIORITY™

VIEW MEN
VIEW WOMEN
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The Blueprint Men's High-Performance Gym & Life Tee | Fitness Union
From $45.00 USD
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The Priority Women's Performance Racerback Training Tank | Fitness Union
From $40.00 USD
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The Hybrid Men's Tri-Blend High-Intensity Training Tee | Fitness Union
From $45.00 USD
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The Twilight Drift Men's Daily Training & Life Tee | Fitness Union
From $45.00 USD
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The Women's Sport Heritage Training Tee | Fitness Union
From $44.00 USD
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The Unbound Women's Relaxed Sleeveless Tank | Fitness Union
From $42.00 USD
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The Protocol Men's Training & Life Tee | Fitness Union
From $44.00 USD
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The Grunge Men's Raw Training Tank | Fitness Union
From $36.00 USD
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The Arctic Surge Men's Daily Training & Life Tee | Fitness Union
From $45.00 USD
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The Protocol Men's Training Tank | Fitness Union
From $36.00 USD
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The Desert Pulse Men's Daily Training & Life Tee | Fitness Union
From $45.00 USD
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The Protocol Men's Training & Life Tee | Fitness Union
From $42.00 USD
  • +7
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The Unbound Women's Relaxed Sleeveless Tank | Fitness Union
From $42.00 USD
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The Hybrid Men's Tri-Blend High-Intensity Training Tee | Fitness Union
From $45.00 USD
  • +2
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The Primal Guild Men's Daily Training & Life Tee | Fitness Union
From $45.00 USD
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The Protocol Men's Training Tank | Fitness Union
From $36.00 USD
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The Vivid Women's Training & Life Tee | Fitness Union
From $44.00 USD
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The Women's Sport Heritage Training Tee | Fitness Union
From $44.00 USD
  • +7
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The Luv Fitness Women's Relaxed Emblem Tee | Fitness Union
From $44.00 USD
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The Foundation Men's Training Tee | Fitness Union
From $41.00 USD
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The Union Women's Performance Racerback Training Tank | Fitness Union
From $40.00 USD
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The Charged Men's Training & Life Tee | Fitness Union
From $44.00 USD
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The Protocol Men's Training & Life Tee | Fitness Union
From $44.00 USD
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The Vivid Women's Training & Life Tee | Fitness Union
From $44.00 USD
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The Priority Men's Heavyweight Training Tank | Fitness Union
From $44.00 USD

RELENTLESS. RAW. RECKLESS.

Forget the "lifestyle" aesthetic and the influencers posing for likes. Fitness Union gear isn’t a fashion statement; it’s a toolkit for the obsessed. We don’t care about your gender, only your grit. This is high-performance hardware for those who treat the gym like a battlefield rather than a social club. No flimsy fabrics, no ego-stroking, and zero excuses. Whether you’re crushing plates or tearing up the pavement, this gear is built to outlast your willpower. Stop looking for validation and start looking for results. Your sweat doesn't have a preference. Neither do we.
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100% VERIFIED SECURITY
Your data is protected by 256-bit SSL encryption. We never store your credit card details, ensuring a 100% secure checkout experience.
PERFORMANCE & QUALITY VERIFIED
Our products are engineered for high-performance results. We guarantee the structural integrity and technical specifications of every item. 
FULLY TRACKED LOGISTICS
We ship to over 50 countries with end-to-end tracking. No hidden surprises—just reliable delivery straight to your door.
DIRECT FOUNDER ACCOUNTABILITY
Every order and inquiry is personally reviewed by our founder. We pride ourselves on boutique-level attention to detail that big-box retailers can’t match.