Reviewed by Edwin Edwards, UK Reviewer (Update: June 2021)

#1 Choice: Review Score = 97%

The best pick right now in June 2021 is…

Editor's Pick
TrainingMask Adult Training Mask 3.0 Training Mask, Black, M/70-120 kg
273 Reviews
TrainingMask Adult Training Mask 3.0 Training Mask, Black, M/70-120 kg
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    #2: Top Alternative

    Also Good
    Training Mask 3.0 with Free Carry Case for Simulated Altitude Resistance Breathing, Performance...
    834 Reviews
    Training Mask 3.0 with Free Carry Case for Simulated Altitude Resistance Breathing, Performance...
      View on Amazon UK

      #3: Also Good Value For Money

      SaleWorth Considering
      Sport Workout Training Mask Hypoxic Breathing Resistance Mask Fitness Running Mask Endurance Mask...
      467 Reviews
      Sport Workout Training Mask Hypoxic Breathing Resistance Mask Fitness Running Mask Endurance Mask...
        View on Amazon UK

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        BEST ALTITUDE TRAINING MASK: COMPLETE 2021 BUYING GUIDE

        Full buying guide on choosing the best altitude training mask is coming soon. Please come back shortly!

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