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The O2Trainer 2.0
The O2Trainer 2.0
The O2Trainer 2.0
The O2Trainer 2.0
The O2Trainer 2.0
The O2Trainer 2.0
The O2Trainer 2.0
The O2Trainer 2.0
The O2Trainer 2.0

The O2Trainer 2.0

Sale price $59.95 | Free Shipping

  • Designed By Bas Rutten
  • Backed By Clinical Studies
  • As Seen On The Joe Rogan Experience
  • 35,000+ Orders Packed & Shipped
  • Made in the USA
Color: Green

What is the O2Trainer?

The O2Trainer 2.0 Breathing Resistance Training System is the ultimate tool for athletes, fitness enthusiasts, and anyone looking to improve breathing performance, endurance, and core strength. Developed by MMA legend Bas Rutten, this system targets and strengthens your diaphragm and breathing muscles by controlling airflow during inhalation.

Level up your breath. Level up your training.

Why Use the O2Trainer?

  • Increases lung capacity and oxygen efficiency
  • Enhances athletic performance and stamina
  • Strengthens the diaphragm and core
  • Easy to use—great for home, gym, or travel
  • Used by pro athletes, fighters, and everyday wellness warriors

What’s Included?

  • O2Trainer Device: Scientifically designed to isolate and strengthen your breathing muscles, especially the diaphragm—helping you breathe more efficiently during workouts or daily life.
  • 16 Interchangeable Resistance Caps (1mm–14mm): Gradually increase resistance to improve lung capacity and breathing strength. Start where you're comfortable and progress at your pace.
  • Training Guide + Video Instructions: Step-by-step "How-To" pamphlet and access to online video tutorials ensure you're getting the most effective and safe training possible.