1. Overview: The Rise of the “Winged” BMAI
BMAI is no longer a stranger to pragmatic runners in Vietnam. While the Expedition series specializes in plush training, and the Carbon 3.0 Turbo is a versatile racer, the BMAI Fly 2 arrives as a refined evolution, laser-focused on speed and ultralight weight.
In 2026, with flagship super shoes from Nike or Adidas pushing $300+ price points, the BMAI Fly 2 remains incredibly accessible without compromising on tech. For a 57kg runner, this is the ultimate “weapon” to chase new PRs without breaking the bank.
2. Technical Specifications (US Men’s Size 8)
The specs set the Fly 2 apart from its competitors in this price bracket:
- Weight (US Men’s 8): Roughly 185g - 190g. This is staggering. For perspective, it’s lighter than the Nike Vaporfly Next% 3 in the same size. For a 57kg runner, this weight keeps your legs feeling fresh, minimizing hip fatigue in the final miles.
- Stack Height: 38mm (heel) / 30mm (forefoot).
- Drop: 8mm. An ideal drop to support forward propulsion while easing pressure on the Achilles.
- Midsole Tech: TPE Supercritical Foam (Quik-Boom). High-density supercritical foam tuned for up to 80% energy return.
- Propulsion: Full-length Carbon Plate with an S-curved geometry to optimize leverage.
- Upper: Boom Fiber mesh – ultralight, durable, and hydrophobic.
- Outsole: Targeted rubber coverage in high-wear zones with a specialized grip pattern.
3. Midsole and Carbon Plate: A Powerful Combo
The heart of the Fly 2 is its midsole. Unlike budget trainers that use blended EVA, BMAI uses pure supercritical TPE.
- Ride Feel: At 57kg, you won’t find this shoe overly firm. It offers a slight compression upon landing, followed by an aggressive, snappy response.
- Carbon Plate: Positioned close to the foot in the forefoot, the plate is stiffer than the Carbon 3.0 Turbo. This shoe practically begs you to run faster. As you lean forward, the rocker geometry creates a powerful launch, making race pace feel effortless.
4. Boom Fiber Upper: High-End Tech
The Fly 2 features a Boom Fiber upper—a high-tech woven material known for its lightness and tensile strength.
- Lockdown: The racing fit is snug, yet the toe box provides enough room so your toes aren’t cramped.
- Breathability: The upper is so thin it’s translucent. Ventilation is 10/10, making it perfect for marathon racing in 30°C tropical heat.
5. Performance Across Paces (For a mid-pack runner)
Race Pace (3:45 - 4:30/km): This is the Fly 2’s home turf. At this speed, the sub-200g weight shines. You’ll find it easy to maintain a cadence of 185-190 without feeling like you’re fighting the weight of your shoes. Every step is an explosion of energy from that 38mm stack.
Moderate Pace (5:00 - 5:45/km): Thanks to the wider midfoot platform, it remains stable even at moderate paces. However, if you stay in this range too long, the stiff carbon plate might feel a bit demanding on your feet.
Walking & Recovery Runs: These are NOT for walking or recovery. The aggressive rocker and stiff plate make casual walking feel awkward. As always, save your super shoes for speed work.
6. Stability
Super shoes often suffer from instability due to high, narrow stacks. BMAI addressed this by widening the midfoot platform. For a 165cm runner with a lower center of gravity, the Fly 2 feels remarkably secure even when cornering at speed.
7. Normal Walking
Walking in the Fly 2 feels “quirky.” Due to the S-curved carbon plate, the heel feels low and the toe kicks up. The soft foam can feel a bit unstable at slow speeds. That said, the neon colorways look great for race-day photos and event check-ins.
8. Recommended Usage
- 5km/10km Racing: 10/10 (Weight is a massive advantage).
- Half/Full Marathon: 10/10 (Ample cushioning for 42km protection).
- Intervals: 10/10.
- Easy Runs: 6/10 (Overkill and not particularly comfortable at slow speeds).
9. Value Proposition (VND)
This is why the BMAI Fly 2 scores so highly among enthusiasts:
- Retail Price: Typically ranges from 2,100,000 VND - 2,300,000 VND.
- Sale Price: Often drops to 1,700,000 VND - 1,900,000 VND during major sales.
The Bottom Line: For ~2 million VND, you get a sub-200g super shoe with a legitimate carbon plate and supercritical foam. Given that rivals like Nike or Adidas cost 3x as much, you’re getting 90-95% of the performance for a fraction of the cost. This is an incredible steal.
10. Style Note
The aerodynamic silhouette looks sharp with a racing singlet. The 38mm stack also gives you a nice little height boost for podium photos.
11. Why the 9.2/10 Rating?
- Weight: Best-in-class for the price.
- Value: Unmatched performance-to-price ratio.
- Durability: Unlike some fragile top-tier racers, the TPE foam and Boom Fiber upper hold up well for 500-600km.
- Ride: Encourages you to push your limits.
Minor drawback: Brand recognition isn’t at the level of the big players yet, and local availability is limited.
12. Conclusion
The BMAI Fly 2 isn’t just a running shoe; it’s a statement that speed doesn’t have to be expensive. For a 57kg, 165cm runner, this is the smartest investment you can make in 2026. It’s light enough to fly, cushioned enough to save your legs, and cheap enough to replace without hesitation.
- Pros: Ultralight (~185g), explosive energy return, breathable upper, incredible price.
- Cons: Specialized for racing/speed work, lesser-known brand.
Overall Rating: 9.2 / 10.
🔗 Competitor Comparisons & Related Articles:
- Versus rival: Review 361° Miro SL: The Featherweight Trainer.
- Versus rival: Review Adidas Adizero Adios 9: The Short-Distance Assassin.
- Explore our daily trainer rankings: The 12 Best Daily Trainers of 2026.
- Compare specs: Running Shoe Comparison Tool.
- Find your fit: International Shoe Size Conversion Chart.
