The Asics Novablast 4. A springy daily trainer with surprising range

Asics Novablast 4 hits the pavement with a soft thud and quick rebound that many runners notice as soon as they jog out of the store. The first steps feel like landing on a firm trampoline rather than a squishy pillow. Product manager Hirokazu Saito describes it as a shoe that should feel playful but still controlled over longer runs.

What defines the Novablast 4

The Novablast 4 is a neutral daily training shoe sitting in Asics' energetic "blast" family, positioned below carbon racers but livelier than classic mileage tanks like the Gel-Nimbus. Its midsole uses FF Blast Plus Eco foam, a formulation that Asics says includes around 20 to 30 percent bio-based content derived from sugarcane. That eco angle gives Asics a marketing handle without turning the shoe into an environmental trophy piece.

Stack height is officially listed around 30 mm in the heel and 22 mm in the forefoot for men's standard sizes, translating to an 8 mm drop that matches many all-round trainers. In hand, testers report a surprisingly light feel for the amount of foam, with men's sample weights quoted around 253 g for a US 9 and women's around 220 g for a US 8. The geometry uses a trampoline-style outsole design that encourages a quick roll-off without an aggressive rocker.

Upper, fit and on-foot feel

The upper of the Novablast 4 shifts to a more structured engineered mesh compared with earlier versions, aiming for better lockdown without cranking up stiffness. Around the midfoot, a slightly stiffer panel ties the lacing into the midsole sidewalls, which helps keep the foot centered over the soft foam during cornering. The heel counter is moderately rigid and works together with a plush but not overstuffed collar.

Many reviewers highlight that the toebox feels roomier than traditional Asics performance models, making it more welcoming for slightly wider forefeet. Breathability tests from specialist sites describe air moving reasonably well through the mesh, although the doubled-up tongue padding adds some warmth on hot, slow runs. On a damp asphalt morning, the outsole rubber feels sticky enough, with chevron-shaped lugs gripping sidewalk paint better than some high-stack competitors.

Cushioning and ride character

The defining sensation of the Novablast 4 is its bouncy, slightly trampoline-like ride, which sits between maximal softness and firm responsiveness. Independent lab measurements show moderate foam softness, with deformation under load less than the squishiest maximal shoes but clearly softer than many tempo models. On easy runs, that means a gentle landing without the rolling instability that very tall stack shoes sometimes produce.

On faster strides, the FF Blast Plus Eco foam compresses and rebounds quickly enough that some runners use the shoe for progression runs or informal tempo segments. However, the absence of a carbon or fiberglass plate keeps the response controlled rather than snappy, and reviewers suggest that pure race-day performance is better left to Asics' Metaspeed Sky and Edge lines. The Novablast instead sits in the sweet spot for runners who want one shoe that can handle recovery miles, steady long runs and occasional strides.

Outsole durability and grip

Underfoot, Asics uses AHAR rubber in high-wear zones of the outsole, with exposed foam in less critical areas to save weight. Early mileage reports from testers indicate that rubber wear is modest over the first 80 to 100 kilometers, with the biggest visual changes on the lateral heel where most runners land. The exposed foam areas pick up scuffs and cosmetic scratches quickly but rarely affect the ride in the first few hundred kilometers.

On wet tile and painted crosswalks, specialty reviews rate grip as average to slightly above average for the category. The chevron and cutout pattern seems tuned more for forward propulsion than for loose gravel or dirt, which fits Asics' positioning of the Novablast 4 as a road-focused shoe. Light park paths with hard-packed dirt pose little problem, but deeper gravel can feel twitchy under the narrow midfoot platform.

Position in the Asics lineup

Within the broader Asics portfolio, the Novablast 4 sits alongside the Gel-Cumulus and Gel-Nimbus as an everyday training option, but with a distinct feel. While the Nimbus uses a mix of GEL units and more traditional cushioning to appeal to comfort-focused runners, the Novablast leans into a more modern foam-driven ride. That difference has attracted younger runners and those coming from brands like Hoka or New Balance, where high-stack foams are standard.

Asics CEO Yasuhito Hirota has repeatedly highlighted in earnings presentations that products blending performance running with more expressive designs form an important part of the company's growth strategy. The Novablast visually supports that narrative: the exaggerated midsole geometry and color-blocking allow Asics to run wilder colorways than on conservative models used by long-time loyalists. Retail partners in Europe and North America list the Novablast series as a strong seller in the mid-price performance segment.

Pricing, availability and target runners

The official list price for the Novablast 4 in major markets typically sits around 150 euros in the eurozone and around 140 US dollars in the United States. In Japan, the model's home market, the shoe is listed on Asics' online shop at roughly the equivalent of that price once currency conversion is taken into account. Street prices sometimes dip during seasonal promotions, but the model tends to hold value in its first months after launch.

Availability spans Asics' own web store, many specialist running retailers and large sporting goods chains. Colorways vary by region, with some exclusive designs reserved for the Japanese and US markets. The primary target group is neutral-strike runners from roughly 60 to 90 kilograms looking for a lively everyday trainer, though lighter runners sometimes push it into marathon distance usage if they prioritize cushioning over pure speed.

What this means for Asics stock

For Asics Corp., the Novablast 4 represents a piece in a broader puzzle: a scalable foam-based trainer that can attract both dedicated runners and style-aware consumers without the complexity of plated racing shoes. While not a hero product on its own, it anchors a profitable mid-tier segment, feeding both direct-to-consumer and wholesale channels. On the Tokyo Stock Exchange, Asics Corp. stock trades in yen under ISIN JP3118000003, where the performance of running lines like the Novablast series contributes to revenue alongside lifestyle and team sports categories.