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We recommend the Supernova 2 to runner who:

• Are beginners and want a comfortable, well cushioned shoe for easy short to mid-distance runs. 
• Want a daily trainer that's budget-friendly to add to their rotation of shoes. 
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• Live in cold climates and want a shoe that stays flexible in frigid conditions. 

The “Bounce” foam at the forefoot of the Supernova 2’s midsole is minimal and lacks the springiness of the “Boost” foam found at the heel. This meant that the Supernova 2 felt rather dull underfoot on our test runs; with tempo sessions that felt the equivalent of beating a dead horse. We recommend the adidas total shox shoes for women on sale as a speedy alternative, or potential pairing, that is similarly easy on the wallet. 

Long-distance efforts are similarly taxing in the Supernova 2 which, while flexible, lacks the snappiness to help propel us forward. This meant that we grew more and more fatigued as the mile markers wore on, with the shoe feeling less and less supportive with every stride. For a daily shoe that’s more equipped to handle long hauls, we suggest looking at the Nike Pegasus 40, which is a little less budget-friendly.

We measured the Supernova 2’s stack at the heel with our caliper and found it to be 32.6 mm, making the officially stated stack height of 32 mm pretty accurate. This measurement makes the Supernova 2 a little shorter than the average shoe at the heel according to our current lab average. This is still more than enough cushioning to provide good impact protection for heel-striking runners. 

Measuring the stack at the forefoot is where we found a rather large disparity with the official figures stated by Adidas. While they advertise the shoe as sporting a 23 mm stack at the forefoot, we found it to be exactly 18.2 mm using our calliper. This accurate measurement means that the Supernova’s forefoot stack is significantly shorter than our lab average. 

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These stack measurements leave us with a massive drop of 14.2 mm, much steeper than the 9 mm given by Adidas. 

This still puts the Supernova 2 in the category of high-drop shoes, but the sheer scale of this drop height makes the shoe a less-than-ideal choice for forefoot striking runners. Instead we suggest looking at the ASICS Gel Contend 8 as a similarly-priced daily trainer with a milder drop.

To test the softness of the midsole, we pressed our durometer against the Supernova’s cushioning at the heel and got a reading of 29.8 HA. This isn’t as soft as the average shoe, but the ample amount of foam at the rearfoot makes the shoe feel softer than that for heel-strikers. 

This part of the midsole uses the Adidas “Boost” foam, made up of TPU beads that lend the shoe a cushioned yet bouncy ride that feels quite energetic for a budget shoe.

The foam found at the forefoot of the Supernova 2 is marginally softer than at the heel, measuring 27 HA when we pressed our durometer against it.

This section of the midsole makes use of Adidas’ “Bounce” foam which, compared to the Boost foam at the heel, is much less lively and feels more in line with the ride of a shoe within this price bracket. 

We left the Supernova 2 in the freezer for twenty minutes to simulate exposure to cold weather, and the foam did stiffen up quite significantly compared to the average shoe. With a reading of 35 HA, the shoe’s cushioning will definitely feel more firm than balanced in the winter. 

According to these readings, the Supernova 2 gets 57.1% more firm when exposed to frigid conditions. This is much higher than the average shoe

For a shoe that is more consistent between warm and cold weather, we recommend the Adidas Fluidflow 2.0. 

At 4.5 mm, the Supernova’s insole falls right within the average range for road shoes. 

While we do measure the stack including the insole, this does not account for the stack and drop disparity previously mentioned. They must have misplaced their ruler that day.

We measured the toebox with our caliper to be 100.4 mm at its widest point. While this is ever-so slightly wider than our current lab average; the shoe’s upper mesh easily stretches to accommodate wide feet, but with enough elasticity to securely lock them down. 

Measuring the toebox at the big toe, we found that the Supernova 2 tapers much less than the average shoe. At 80.4 mm according to our caliper; we definitely had more than enough room for our toes to splay out on our landings during our test runs. 

With its robust platform, we definitely felt sure footed in the Supernova 2. Performing the simple and practical test of shifting our weight from side to side on one foot, we didn’t feel the shoe tipping over too far or prone ankle rolls.

Despite lacking the torsion plate found in other Adidas models, the Supernova 2 still falls within the average range of torsional rigidity with a score of 3 out of 5 on our subjective scale. As you can see from the video, we were able to twist and contort the shoe in all directions without being faced with too much resistance. 

This level of flexibility meant that the shoe was able to adapt to the shape of our foot during our test runs while still giving us a good, stable landing platform.  

Pronating runners, however, will benefit from a stiffer shoe that is more equipped to prevent the inward rolling of the foot. We recommend the adidas campus womens purple sneakers girls shoes as an alternative. 

Pinching and squeezing the Supernova 2’s heel counter, we were able to contort it in all directions but with some level of resistance. We therefore scored the shoe a 3 out of 5 on our subjective scale, making it fall right around the average range for heel counter stiffness based on the shoes we’ve tested so far. 

This level of stiffness gave us a good lockdown around the heel and prevented any slippage; with the abundant padding around the collar softly caressing our foot in place without squeezing the life out of our Achilles.

Using our caliper, we measured the Supernova 2’s midsole and found it to be 114 mm wide at the forefoot. This is a little wider than our current lab average and means that forefoot strikers have plenty of surface to land on inside the shoe.

The midsole is also wider at the heel than our current lab average, but by a much greater margin. Measuring 97.2 mm according to our calliper, the Supernova 2 boasts an extra-wide landing platform for heel-striking runners and a much more stable feeling underfoot. 

This does give the Supernova 2 a rather blocky and less-than-aerodynamic silhouette, despite its sleek look when viewed from the profile. This explains the shoe’s clunky feeling whenever we pushed it to higher paces during our test runs.

To test the flexibility of the Supernova 2, we secure the shoe to our workbench and measure how much force is required to bend it 90-degrees. With a result of only 14N; the Supernova 2 is considerably more flexible than our current lab average. 

This does contribute to the Supernova 2’s overall comfort, as this means that the shoe easily bends with the foot during our strides instead of resisting and forcing the foot in shape. 

However, the lack of snap to the shoe’s flexibility, probably due to the omission of a torsion plate, also contributes to the shoe’s less-than-responsive nature underfoot. This made running at high speeds much less enjoyable than easier paced efforts.

Even after twenty minutes in the freezer, the Supernova 2 remains an extremely pliable shoe, requiring only 22N of force to bend the shoe 90-degrees. This is much more flexible compared to our lab average and means that the shoe should still feel plenty flexible even in the coldest conditions. 

With a variance of 57.1% in the shoe’s flexibility between warm and cold conditions, the Supernova 2 does get more rigid than the average shoe does when exposed to the cold. Still, with a result of 22N, the shoe is much more flexible than the average shoe whether under similar conditions or at room temperature!

Even with the scant use of rubber in the outsole, the Supernova 2 is heavier than our current lab average at 9.7 Oz (276g). This can be explained by all the padding and comfort features found in the shoe. 

Shining a light through a cross-section of the Supernova 2, one might be led to believe that the Supernova 2 isn’t a very breathable shoe; with light only peaking through the perforations in the shoe’s upper. 

Pumping smoke through the shoe, however, reveals a different story altogether. We can see how easily heat is able to escape through the many gaps in the upper material. Even the heavily padded tongue is ventilated enough to allow smoke to filter out effectively. We therefore give the Supernova a perfect 5 out of 5 for breathability. 

The video on the right demonstrates how the Adidas Runfalcon fared in the same smoke test. This shoe is much more insulated and traps heat in like a Dutch oven. 

The breathability of the Supernova 2 is easy to understand when we look at its upper material through a microscope. The mesh is made up of finely braided material, which in itself is conducive to air flow, that splits to form evenly spaced perforations throughout the toebox and tongue.

Unsurprisingly for a budget shoe, the toebox is highly prone to tears.We applied our dremel to a section of the Supernova 2’s toebox with at 10K RPM with a force of 3.2N to simulate extreme wear and tear. Our tool absolutely shredded through the shoe’s upper mesh and left a gaping hole big enough for our toes to pop through after the four second test, giving the Supernova 2 a score of 1 out of 5. 

The heel padding suffered a similar fate to the toebox. Pressing our dremel against the heel collar for the same amount of time with the same force tore a massive hole in the shoe’s material and ate away a good chunk of padding. This leads us to give the shoe a score of 1 out of 5 for heel durability, 

We therefore recommend avoiding going sockless in the Supernova 2 as excessive friction from heel rubbing will negatively affect its comfort and ability to secure the foot, and might spell an early end for the shoe.

With a reading of 76.3 HC when we pressed our durometer against it, the Supernova 2’s outsole is marginally softer than our current lab average. We found this level of hardness to nicely complement the soft landings provided by the midsole cushion, while still being soft enough to bite into the pavement and provide us with good traction. 

The results of our dremel test on the outsole are frankly abysmal. Our tool’s grinding element faced no resistance as it absolutely minced through the Supernova 2’s rubber outsole and, eventually, its midsole foam. The aftermath of our four second test looks as though we dropped a molten rock on the outsole which melted its way all the way through to the Supernova 2’s midsole. 

As a result, we’d be surprised if this shoe makes it to the 400 mile mark before the outsole totally degrades underfoot.

Measuring only 2.9 mm according to our caliper, the Supernova 2’s outsole is thinner than our current lab average. This wouldn’t ordinarily be an issue; but with the rubber that makes up the outsole being so frail, we would be happier with more of it to improve the shoe’s longevity. 

Despite its lack of durability, the Supernova 2’s outsole is super grippy and provided us with more than enough traction during our daily runs, even when faced with wet asphalt. 

We also felt super confident taking speedy corners in the Supernova 2 while out on our runs.

The only reflective elements to be found on the Supernova 2 are on the iconic three-stripe logo that adorns the side of the shoe. This doesn’t do much for visibility at night, especially from behind, so we recommend wearing reflective clothing when running in the dark. 

The Supernova 2’s tongue also features an almost unreasonable amount of padding. Measuring 9 mm according to our caliper makes the shoe’s tongue much more plush than the average shoe. This makes the shoe feel incredibly comfortable around the instep, with no chance of us experiencing lace-bite no matter how tightly we laced them up.

The tongue is non-gusseted but features a lace-loop to mitigate movement. Even so, we did notice some tongue slippage during our test runs. 

The Superanova 2 doesn’t include a heel tab; but the heel’s shape, which somewhat resembles an elf-ear tab, is extremely easy to slip in and out of. 

The insole of the Supernova 2 is removable, so runners can replace it with custom orthotcis if needed.