Our reviews

/100 by , posted on .

While I do like to believe that most shoe brands to their own due research, often when they come up with products which look a lot like another one on the market, one can’t help but wonder if they are pandering to a trend or merely imitating to cash in on the success of a rival brand.

But such mirroring isn’t merely aping, sometimes it just makes good business sense to follow a certain style, shape, or silhouette. I mean just imagine if Airbus and Boeing were to decide that their planes shouldn’t look similar in any manner whatsoever! 




Adidas Ultra Boost Uncaged ATR - a similar raised sock uppers with notches and a generous cushiony sole.

Even the ankle support seems somewhat similar in construct. But that’s possibly where the similarities taper off.



The lacing is done through small eyelets that I would be hard-pressed to re-thread should the laces ever escape from them. But the eyelets have a reinforcing band which runs long and encases them on either side thereby ensuring a certain evenness of grip to the whole lacing system.

The laces themselves are thick, much like in Reebok Floatride series, which makes them grip better once fastened. The two notches, one on the modified sock-tongue in front and the other around the back are exaggeratedly large but absolutely champers, they are real handy while donning or doffing this pair.

A small Puma cat logo at the widest point of the toe-box completes the upper look as the iconic Puma formstripes are defined by black pipings which run down on the outer side, working as thick outlines.




The irony is that the essence of Jamming lies not in its uppers but in its sole and yet my score will serve as the spoiler for what’ you are about to read.

The TPU outer sole is tough, almost unrelenting. When you try to bend it, it resists. When you do finally bend it, it outright springs back.

Feels great in terms of energy return but the trouble is your foot won’t ever be in that half-bent shape during a run; God help you if it is. So to land right, one really has to aim to strike with the mid-sole and even then the transition may feel a touch jerky/clumsy.

The little rubber grips at the front and back of the sole provide the necessary traction.



The highlight of this entire setup, however, lies in the midsole section where you will find tiny beads, hundreds nay thousands of them, all tightly packed into space between foot and outsole. These bits (B&W in my pair) are made of highly flexible PU and are free to move.

Effectively, they should move in order to accommodate your foot and the way it rests on the sole-bed as also, absorb the impact of the landing each time your foot meets the ground. On paper, that is flawless and can’t be argued.

In practice, or so I found, the balls didn’t really provide any great sense of cushioning. Or, even if they did, it was a bit reduced due to the stiffness of the outer sole which really could have been gentler.



That said,  I tried to reason it out with myself as I plodded with these through a run, if the outer were softer, it would crease each time my midfoot bends during take-off thereby displacing the beads and stripping away the cushion at that point.

In other words, for the beads to be able to stay put even as they minutely displace themselves to accommodate my stride, they still need to be fairly held in place as it all would mean that I would be running with a lot of cushion at one point of my foot and nothing at the other.

And chances are, the part which has no cushioning left is the one with which I am striking down with/on while the lesser in-use parts of my feet would sit high on all the extra beads. I will christen this the ‘Beanbag effect’. Unfortunately, it doesn’t sound like a great thing to have on a run.

Also, their overall weight seems to be on the higher side, especially for a pair with sock uppers. This was another mark-downer.

Run Value

All said and done, I have now been on a few runs with these and over time, one does develop a certain affinity for the pair. So, I won’t say they are entirely undoable, I will just contend that they need a certain getting used to.

The cushion is stiff but generous enough to shield feet and legs during long runs. The outer sole is certainly very durable and this is something I don’t get to see very often as most of my pairs start showing signs of extreme wear and tear after a mere 200 or so kilometers.

Good for general training, long runs, and slow jogs, not the ideal pair to zip in or blaze through your next PB.


Street Cred

This is what got me going back to them again and again.

I wanted to pack a pair for my travels and ended up choosing these. My argument was that on any business trip, I won’t be looking at hard mileage or seriously draining workouts.



To simply trod along these would work fine. More importantly, when it came to having a pair for denim-clad evenings, they’d be the ideal pair. To have the economy of not needing to carry an extra pair was tempting enough a bait.

So I managed the runs which then had me getting accustomed to them and no evening went un-complimented for my choice of sneaks. I have the Dahlia colorway but the other options are equally, if not more, hip.



So, would I recommend the race-day run-flat.

It does look good, especially all that textured uppers and that almost “white noise” beady midsole; definitely score high on the easy-on-the-eye chart. For the price, it isn’t exactly an entry-level trainer but will deliver value-for-money over time and usage.

So, by all means, if you feel like, make like Marley and get jammin! (OK, that was a bad one! Such puerile word-play, and just for that, you can rate me a 2/10 for a sense of humor, or lack thereof!)

| Level 2 expert Verified
Being a sommelier, food and drink are close allies, as also enemies! I took to running and just never stopped. Soon enough I added swimming and cycling to the mix. Typical commitment issues! I often review gear for lifestyle magazines in India and am gearing up for an Ironman hopefully soon. Nothing should come between me and my food and drink — that’s perhaps my strongest motivation to keep pushing!

/100 by , posted on .

The Puma Jamming is definitely one of the more stylish and streetwear-acceptable running shoes. With two colours fading in and out of each other, Puma creates a new type of colourway.

This shoe comes in multiple different colours with triple white, a quieter black/green or grey. The loudest colourway is black/red.

They even compliment the colours on the upper with the colours of the NRGY beads in the midsole.



In the Puma Jamming, Puma uses their sock-like knit upper called evoknit. The entire upper is made one single knit piece with a fully attached tongue.

This completes the sock-like experience as shown by the stitching on the inside side of the shoe.



The most breathable section is just under the laces. This part is a rectangular perforated section. Due to this being the only perforated section, this is one of the more durable knit uppers.

I feel like it is unlikely that you will get the knit caught in anything or tear it in everyday use.


The midsole of Puma Jamming follows the latest style, but it is still one of the unique designs to date. Most brands are now focusing on new midsole technology like boost, react, and fresh foam.

Meanwhile, Puma has its jamming, which is a massive number of what they call as 'NRGY beads' encased in plastic.



The beads are also entirely separate from one another and free to move within the plastic. These are very comfortable, but I feel that they still cannot be compared to other foams like bounce, boost, react, and others.


The outsole is transparent enough to see the NRGY beads. It is also very thick, increasing the shoe's durability.



At the heel, there is a black traction pad at a slightly different angle to the rest of the outsole. This angle creates a better heel to toe transition and makes running better for heel strikers.

It also makes it very nice for casual use.




At the toes, there is another traction pad that matches the colour of the upper. This traction pad is also at a different angle that continues past the midsole and joins up with the upper in a smooth transition.

This angle allows for better take-offs during runs.


These shoes are very comfortable, mostly due to the sock-like upper. Out of my current shoe collection, if I had to wear a pair without socks, it would be this pair.



The midsole is also very comfortable. However, as I said before, it is not on the same level as that with much more expensive midsoles.

On the inside near the heel as the heel cup starts, there is extra cushioning, which is very comfortable.

The evoknit upper is very flexible, like primeknit. There is a flexible sock liner at the top of the upper that completes the sock-like comfort and experience.


For a knit shoe this is very strong. The midsole is very supportive.

My pair has a solid black colour at the bottom of the upper that is reinforced the entire way around. This design provides extra support and structure.



The heel cup on this shoe gives an amazing structure and stability. It provides support all the way from one side of the ankle to the other and around the back.

Whereas, a lot of shoes now will either provide a heel cup supporting the two sides of the ankle or the back, but not both.

On the outside of the shoe, Puma's logo is piped into the evoknit upper, and this also provides stability. The piping around the laces also adds structure.

Additional features

Puma has added branding everywhere on this shoe but not in a loud way. Puma branding is located on the rear pull tab, lace pull tab, side of the shoe, on the toe box, middle of the sole, and also on the removable insole.




The pull tabs are very secure and useful due to the sock fit. The laces do not have any eyelets and instead go through holes in the knit.

I have not tried re-lacing them. But, I would advise you to be very careful if you do.


I would give these 90/100 because although the jamming could be more responsive, these are very stylish and comfortable shoes.

You can use this pair for running. Although, I would suggest other shoes around the same price.

Nevertheless, they can double up as a casual style shoe. My friends and family have complimented me on these shoes multiple times. 

I would go true to size for these shoes.

| Level 1 expert Verified
I have started running to improve on cardio with the hopes of advancing my performance at my first hobby, mixed martial arts. I run around 12 miles a week on road. Eventually, I have developed my love for running shoes. Adidas has been my favourite so far, but I would love to expand my running shoe experience.

Updates to Puma Jamming

  • With few of Puma’s premium features such as the evoKNIT and the NRGY foam, the Jamming is easily the brand’s top-of-the-line running shoe. The Jamming strives to look and feel fantastic at the same time with its innovative appearance.
  • The evoKNIT upper of the Jamming provides the foot with a form-fitting comfort. It aims to give the foot a luxurious feel through its one-piece, sock-like fit. The stretchable quality allows the evoKNIT to accommodate various foot shapes.
  • Meanwhile, the midsole comprises free-floating NRGY beads, which are made from polyurethane foam, a high-cushioning material. The globules adjust according to the foot’s movement to enable an adaptive support. They are encased in a translucent thermoplastic polyurethane (TPU) cover that acts as the outsole. This case is reinforced with rubber pods in high-wear areas to give ground-contact traction without the bulky weight.

Size and fit

The Puma Jamming follows the standard running shoe length. Its structure is more elongated rather than full, therefore catering to low and medium foot volumes. The forefoot area is longer compared to other running shoes, offering extra room for toe splay. The Jamming comes in medium width for both the men’s and women’s versions.


A unique thermoplastic polyurethane (TPU) case encloses the NRGY beads, therefore serving as the outer sole of the Jamming. This enclosure has a translucent finish to display the NRGY beads proudly. While it may only look stylish at first glance, this structure is, in fact, functional, as it provides high-level cushioning and comfort.

For traction, the TPU case has rubber pods in strike zones, which are designed to come in contact with the running surface. With the pods’ minimal design, the runner feels less bulk without compromising traction.


The thousands of NRGY beads that make up the midsole of the Puma Jamming permits unparalleled comfort and exceptional energy return. Not to mention, the unique structure is guaranteed to be an eye-catcher. The midsole works using the “jam” effect: The beads move with every step, therefore “jamming together.” This process results in a relaxed ride, as well as an optimum level of responsiveness.

Aside from being an eye candy, the NRGY-bead midsole also promises shock absorption, flexibility, and natural mobility. With all these qualities working together, the foot is ensured a correct stride, a smooth transition, and an efficient running performance.

The shoe also features an anatomically-shaped sock liner to provide additional cushioning as well as a contoured support to the underfoot. The sock liner is removable and therefore could be replaced by the runner’s custom orthotics or removed entirely according to preference.


The Puma Jamming’s evoKNIT upper provides a seamless and breathable fit, ensuring the foot remains comfortable, ventilated, and healthy. This proprietary material is known for delivering a sock-like feel, with its smooth texture stretchable property. Relatedly, the shoe employs minimal and subtle overlays in the form of very thin piping designs to stay true to the sock sensation.

There is an internal 3D heel clip that ensures maximum heel support throughout the gait cycle. It works by holding the heel in place and preventing unnecessary movements, such as slipping or sliding.

The front and back of the collar have pull-tabs printed with the brand name, providing both style and function to the shoe.

Another unique element of the Puma Jamming is the tongue. Unlike regular running shoes, this shoe has a tongue construction that is connected to the rest of the shoe – creating a unified structure. This form further emphasizes the sock-like look and feel of the evoKNIT upper.

Facts / Specs

Terrain: Road
Arch support: Neutral
Pronation: Neutral Pronation / Supination / Underpronation
Arch type: High arch
Use: Walking, All-day wear / Jogging
Features: Slip-on / Cushioned
Release date: Nov 2017

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Jens Jakob Andersen
Jens Jakob Andersen

Jens Jakob is a fan of short distances with a 5K PR at 15:58 minutes. Based on 35 million race results, he's among the fastest 0.2% runners. Jens Jakob previously owned a running store, when he was also a competitive runner. His work is regularly featured in The New York Times, Washington Post, BBC and the likes as well as peer-reviewed journals. Finally, he has been a guest on +30 podcasts on running.