The ASICS SUPERBLAST 3 confirms itself as the tool of choice for tempo runs and long runs, combining reactive mechanics with a level of comfort that makes every outing rewarding, even without the use of a stiff plate.
- The new version introduces a midsole with FF LEAP foam, the same compound used in the Japanese brand’s racing shoes, replacing the FF TURBO PLUS to increase responsiveness and softness.
- It features a heel stack height of 46.5 mm and 38.5 mm at the forefoot (8 mm drop).
- Material optimization brings the weight down to just 239 grams, an exceptionally low value relative to the shoe’s volume.
- Stability is guaranteed by a 10-millimeter bottom layer of FF BLAST PLUS foam, which is denser and more compact, balancing the softness of the upper block.
- On the road, it requires a brief break-in period to optimize flexibility, ultimately revealing itself as a shoe capable of protecting your joints and making your run extremely smooth at medium and fast paces.
Geometries for Daily Training
The concept of the “super trainer” finds its ultimate expression in the ASICS SUPERBLAST 3. The geometric specs indicate a thickness of 46.5 millimeters in the heel area. In fact, the shoe is designed to absorb micro-traumas during long runs and quality workouts, allowing the athlete to accumulate volume at high intensities while preserving the musculature, without suffering the inherent stiffness of a carbon plate.
Dual-Density Mechanics: FF LEAP and Structural Stability
The technological core of the update lies in the midsole formula. ASICS has integrated the new FF LEAP foam, an ultra-light, high-energy-return compound inherited directly from its top-of-the-line models (like the METASPEED series).
However, stacking 46 millimeters of extremely soft foam would create an unstable base, especially as fatigue sets in. To solve this biomechanical problem, the designers maintained a dual-density architecture: the 10 millimeters of midsole closest to the ground are made of FF BLAST PLUS. This bottom layer, stiffer and more compact, acts as a stabilizing chassis. It helps keep the foot aligned and provides a solid response on the asphalt, working in synergy with the new “trampoline pods” carved into the outsole to accentuate the push-off phase.
New Lacing System and Midfoot Management
To manage shear forces and torsion on such a high midsole, foot lockdown must be flawless. The SUPERBLAST 3‘s upper, made of Engineered Woven technical fabric, offers a true-to-size fit and a sufficiently roomy forefoot.
The most significant functional update involves the lacing system. ASICS has abandoned traditional punched holes to introduce a hybrid system that uses corded pull-tabs in the lower section and classic eyelets at the top. This solution distributes tension more evenly across the instep, allowing for a firm midfoot lockdown without creating pressure points on the extensor tendons.
Essential Specs
ASICS states:
- weight: 239 g (size 9 US – unisex shoe)
- drop: 8 mm (46.5 mm at the heel, 38.5 mm at the forefoot)
- midsole: combination of the two FF LEAP and FF BLAST PLUS foams
- upper: Engineered Woven
- outsole: ASICSGRIP in the forefoot and AHAR LO rubber in the rearfoot.
- list price: 220 euros
The Road Test: Break-In, Responsiveness, and the “Fun” Factor
Put to the test on the asphalt for an initial run, the SUPERBLAST 3 requires a bit of early patience. In the very first kilometers, the ground impact can sound slightly noisy due to the stiffness of the large foam block. After a break-in period of about 15-20 kilometers, however, the shoe develops its natural flex point in the forefoot, and the transition becomes extremely smooth.
Compared to the previous version, the underfoot feel is markedly softer and bouncier. The energy return is clear and progressive. The shoe accommodates slow recovery paces, but its true potential emerges when you step on the gas during tempo runs. The mechanics make it almost inadvertently easy to increase your cadence. Beyond the obvious chronometric performance, the differentiating factor of this footwear is how enjoyable it is to use: it turns physically severe workouts into agile sessions, offering real support that makes coming back home decidedly more smile-inducing.
And that is a deciding factor that goes beyond any technical characteristic.