ASICS Mega Blast Review: The Bounciest, Lightest Blast Yet

Introduction

The ASICS Blast family has grown quickly. Nova Blast came first as the bouncy new daily trainer, then Super Blast turned that formula into a long run favorite, and now the Mega Blast pushes things further. With 45mm of stack, an all-new ATPU foam, and a surprisingly light build, it is positioned as the lightest and bounciest shoe in the entire Blast line. After spending real miles in it, the pitch holds up: this is a cushioned daily trainer that behaves more like a long run shoe with a speed habit than a soft max-cushion cruiser.

Specs and Construction

The Mega Blast uses a 45mm stack height with an 8mm drop, putting 37mm of foam under the forefoot. The entire midsole is a new foam called FF Turbo Squared, an ATPU compound. ASICS has used ATPU before in shoes like the Metaspeed Sky Tokyo and Edge Tokyo, but because the way the foam is set up changes the ride, this version carries its own name to signal a different experience.

The outsole pattern echoes last year’s Super Blast 2 but with even less rubber coverage, which helps keep the weight down while still using ASICS grip rubber. The upper is a two-tone design that recalls the original Super Blast, but the materials are thinner and noticeably more breathable. You get a thin gusseted tongue, generous heel padding finished with a micro suede feel and a small pull tab, and ribbon laces that keep everything tidy.

Weight is a highlight. ASICS states 230 grams, just over 8 ounces, for a US men’s 9, and the pair tested came in even lighter at 222 grams, or 7.8 ounces. That puts it under the Adidas Evo SL.

On the Road: Cushion With a Quick Response

The Mega Blast delivers plenty of cushion and plenty of bounce. At easy paces it feels like an excellent max cushion option, but the midsole really loves to pick up the pace. There is a fun, pingy quality to the foam that, combined with the low weight, makes going faster feel almost automatic.

Even without a plate and despite the tall stack, the foam responds quickly when you push into it. It compresses and decompresses fast, giving a snappy, responsive ride without the firmness that usually comes with quick-responding shoes. You get responsiveness without paying the firmness tax.

Where it naturally fits, though, is the long run. This is a very tall shoe without a plate, so it is not really a racing setup. But for long runs with workout miles mixed in, whether half marathon effort, marathon effort, or just some uptempo stretches, it shines. The cushion keeps you comfortable for hours, and the foam gets livelier as you run faster, making those harder miles flow by pleasantly. In that sense it recalls Super Blast version one: more peppy than squishy, comfortable for a long time but happy to be turned over.

How It Compares

Within the Blast family, the Mega Blast sits on the long run side of the max cushion spectrum. Nova Blast 5 remains the all-around bouncy daily trainer. Super Blast 2 uses FF Turbo Plus in its top layer and leans a little softer and more comfort-focused, while the Mega Blast’s all-ATPU midsole brings back the bounce and shaves weight with its lighter upper and stripped-down outsole.

On the speedier side, the new Sonic Blast layers FF Turbo Squared over FF Blast Max with a partial plastic plate between the two, aimed at runners who have been asking for a plated Nova Blast-style experience with a very aggressive forefoot rocker.

Against the competition, the Brooks Hyperion Max 3 also fits the long run category, with a DNA Gold top layer, a plastic plate, and a strong rocker. It is peppy and enthusiastic but much heavier than the Mega Blast, and its compress-and-decompress timing feels more delayed. The Nike Invincible 3, tall like a max cushion shoe but peppy like a tempo shoe, now feels flatter and firmer by comparison, more stable but less dynamic.

Buying Advice

If you want a versatile all-arounder that is fun for almost any run, or a comfort-first alternative to traditional racing options, the Mega Blast is an enthusiastic recommendation. It is the lightest, bounciest Blast shoe, and it is ideally suited to long runs where you may want to pick up the pace.

There are a few things to weigh before buying. At a $225 retail price, it is a significant investment. Super Blast 2 is an excellent alternative at $200, but it prioritizes comfort over bounce and speed, so you are not saving much by choosing it. The original Super Blast, which the Mega Blast resembles closely, is essentially no longer findable. The Hyperion Max 3 costs $200 and suits aggressive-rocker fans, while the Invincible 3, normally $180, can be found at a substantial discount since the Vomero Plus is taking its place in the Nike lineup, with sizes reportedly available around $144.

Conclusion

The ASICS Mega Blast earns its name. It takes the tallest stack in the Blast family, fills it with lively ATPU foam, strips weight wherever possible, and lands on a ride that is comfortable enough for long efforts yet quick enough to make faster miles genuinely fun. For runners whose long runs rarely stay slow, it is one of the most complete options available right now.