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BWB-Sport · COMPLETE RESPIRATORY TRAINING

Be fast, not gassed.

BWB-Sport is the portable, app-guided system for building respiratory endurance, strength, usable volume and control.

★★★★★ 4.8/5 from 140 customer reviews

  • Guided Isocapnic app included
  • Trains inhalation and exhalation
  • No recurring subscription
  • 30-day performance guarantee

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ISO BWB S Product Shot

WHY TRAIN BREATHING?

Your breathing system deserves focused conditioning.

As intensity rises, breathing can become faster, shallower and harder to control. BWB-Sport gives the respiratory system its own progressive training stimulus.

It recaptures a controlled portion of exhaled air while fresh air continues to enter, supporting sustained, large-volume respiratory work without relying on resistance alone.

See how Isocapnic works

Isocapnic app showing guided respiratory training programs and progress tracking

Device and app, together

Every session has a purpose.

The included Isocapnic app turns BWB-Sport into a complete training system. Follow guided pacing, progress through structured programs and choose sessions for performance, warm-ups and recovery.

  • ✓Guided, paced sessions
  • ✓Progressive training programs
  • ✓Track completed sessions
  • ✓No subscription required

CUSTOMER PROOF

4.8 out of 5 from 140 reviews.

★★★★★

“The training plans in the app are incredibly helpful and are making me improve my breathing technique.”

Borja E. · Verified Loox review

★★★★★

“Super simple! Compact and easy to travel with. I use it everyday as part of my daily training routine.”

Cory W. · Verified Loox review

★★★★★

“I bring the BWB along on all my adventures. I use it for warming up, cooling down and for my specific respiratory training. Highly recommend!!”

Nick P. · Verified Loox review

Read all reviews

What comes in the box

  • Mouthpiece
  • BWB-Sport manifold
  • Rebreather bag
  • Product manual

Guided app access, beginner onboarding and introductory programs are included.

30 day performance guarantee

30-day performance guarantee

Train with BWB-Sport, measure your progress and decide for yourself.

Complete the introductory program and measure your progress. If you do not see an improvement in ventilatory performance, contact Isocapnic within 30 days to arrange your return. The guarantee applies to qualifying opened products when program requirements are completed.

Is BWB-Sport right for you?

Choose BWB-Sport when you want:

  • A compact, portable mouthpiece system
  • Straightforward individual training sessions
  • The recommended starting system for most athletes

Consider BWB-Mask when you need:

  • Nasal or oral breathing options
  • A hands-free mask interface
  • Practitioner-led applications
Compare both systems
Still not sure? Take the free assessment

Frequently asked questions

How is BWB-Sport different from a resistance-only trainer?

BWB-Sport supports sustained, high-volume respiratory work while recapturing a controlled portion of exhaled air to help limit excessive CO₂ loss.

Does the app require a subscription?

No. Guided app access is included without a recurring subscription.

Where will I see the final price and shipping cost?

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Are there safety restrictions?

BWB-Sport is intended for athletic and wellness use, not medical diagnosis or treatment. Follow the manual and liability release. Do not share the device or use it while running, cycling, driving or performing another physical activity. Consult a physician before use if you have a health condition that may be affected.

Make breathing a trained part of your performance.

Choose BWB-Sport for portable, guided respiratory conditioning. Shopify will confirm live price, availability and delivery details.

Buy Your BWB-Sport

30-day performance guarantee · Guided app included · No recurring subscription