1. Overview and Context
In the running world, few shoes generate as much hype—and heated debate—as the ASICS Superblast line. When the Superblast 2 launched, it quickly became the gold standard for the “Super Trainer” category. With the Superblast 3, ASICS has taken a bold gamble by completely overhauling the shoe’s “heart”: the midsole.
For a smaller runner (165cm, 57kg), the Superblast has always been a curious choice. On one hand, it offers maximum protection; on the other, its sheer volume can make lighter runners feel like they’re wearing “boats.” With this third iteration, ASICS promises a lighter, softer, and more explosive experience than ever. Is this a true evolution, or is ASICS dismantling a legend?
2. Technical Specifications (Size 8 US Men)
Based on technical analysis and real-world data, here are the standardized specs for the Superblast 3:
- Weight (Size 8 US Men): Approx. 235g - 240g. Despite the massive midsole, ASICS has kept the weight impressively low. At 57kg, this is the sweet spot where the shoe doesn’t feel like it’s dragging you down.
- Heel Stack Height: 45mm. A massive figure that exceeds standard competition limits (usually 40mm). This makes the Superblast 3 “illegal” for elite racing, but a dream for daily training.
- Forefoot Stack Height: 37mm.
- Drop: 8mm.
- Cushioning: 100% FF LEAK foam (the same supercritical foam used in elite racers like the Metaspeed Sky/Edge). A radical upgrade over the previous foam blend.
- Upper: New engineered mesh, improved midfoot lockdown, and better breathability in the toe box.
- Outsole: ASICSGRIP rubber for superior traction.
3. Cushioning and Ride: The Era of FF LEAK
The biggest change is the total removal of the old FF Blast Turbo in favor of FF LEAK. If you found the previous Superblast a bit firm—often jokingly called the “Super Brick”—the version 3 changes the game entirely.
At 57kg, I felt the softness immediately upon stepping in. FF LEAK isn’t just soft; it has deep compression and a highly responsive, bouncy energy return. It doesn’t feel like you’re sinking into the foam; it feels like a giant spring. Each landing is met with a surge of energy. For lighter runners, this bounce makes the gait cycle feel effortless, significantly reducing muscle fatigue on long runs.
4. Lockdown and Upper Design: Refined Engineering
ASICS listened to feedback regarding the previous upper feeling a bit “baggy.” On the Superblast 3, the structure has been tightened:
- Lockdown: The midfoot is more secure, providing a locked-in feel. With my smaller ankles, the heel cup holds firm with zero slippage, despite the 45mm stack height.
- Toe Box: While the midfoot is snug, the toe box remains spacious enough for natural toe splay during 10-15km efforts.
- Breathability: The new mesh features larger ventilation pores, keeping feet cool even in the intense heat of Vietnam.
5. Real-World Performance by Pace
Easy Pace (>6:30/min/km): Unlike carbon-plated shoes that can feel awkward at slow speeds, the Superblast 3 is incredibly comfortable. The softness of the FF LEAK foam makes recovery and easy runs feel like a breeze.
Moderate Pace (5:00 - 5:45/min/km): This is the shoe’s “sweet spot.” The stability and bounce help you maintain a steady cadence effortlessly. At 57kg, the shoe acts as a perfect partner, helping you glide without wasting energy on stabilization.
Fast Pace: For heavier runners (80kg+), this is an excellent choice, as the massive foam volume provides maximum joint protection.
11. Bonus: Style and Aesthetics
For the 165cm runner: This shoe gives you a legitimate 4.5cm height boost. Because of the bulky midsole, I recommend pairing them with 5-inch shorts to keep your legs looking lean. The colorways (like the neon or gradient options) are youthful and eye-catching.
12. Superblast 3 vs. Superblast 2 (Bonus Comparison)
- Foam: Superblast 2 used a blend of FF Blast Turbo + FF Blast Plus (firmer). Superblast 3 uses 100% FF LEAK (softer, bouncier, and more premium).
- Ride: The v2 felt stable and “brick-like.” The v3 feels airy, plush, and more fun.
- Weight: The v3 is lighter or equal to the v2 while offering more cushioning.
- Stability: The v2 was slightly more stable due to the firmer foam. The v3 compensates with a wider base.
- Verdict: If you prefer a firm, snappy ride for speed, the Superblast 2 is still great. But if you want top-tier foam tech and absolute comfort for long runs, the v3 is worth every penny.
13. Price and Value
- MSRP: Approx. 5,200,000 - 5,500,000 VND. This is a high price for a non-carbon shoe. However, its value lies in its versatility for 90% of your weekly mileage. Check out our Top 10 Super Trainers 2026 for comparison.
- Value Assessment: If you want one shoe for everything, the Superblast 3 is a smart investment. The durability of ASICS’ premium foam is impressive, often lasting 800-900km.
FAQ
1. Is the ASICS Superblast 3 World Athletics legal?
No. Per World Athletics rules, the maximum stack height for elite competition is 40mm. The Superblast 3 sits at 45mm, making it “illegal” for elite podium contenders. However, for recreational runners chasing personal bests in local marathons, you can race in them without issue.
2. Does the 45mm stack height make it unstable?
Not at all. ASICS has flared the platform at both the heel and forefoot, combined with guidance grooves. It remains surprisingly stable, often safer than narrow-based carbon super shoes.
3. How does it differ from the Megablast and Novablast 6?
The ASICS Megablast is designed for faster speed work with a slightly thinner stack (42mm) and a firmer feel. The ASICS Novablast 6 is a more affordable daily trainer (~3.5 million VND) for everyday easy miles.
Final Verdict
ASICS Superblast 3 isn’t just an update; it redefines the Max Cushion category. It turns grueling long runs into light, exciting outings.
- Pros: Extremely plush and bouncy thanks to FF LEAK; surprisingly lightweight; optimal foot protection; good stability.
- Cons: Expensive; bulky design may not appeal to everyone; high stack height reduces ground feel.
Overall Rating: 9/10 (if found under 3,500,000 VND), otherwise 8/10 due to the high price point.
