Jens Jakob Andersen review

Who should buy the Jens Jakob Andersen

We found that the Owners of this shoe, how does this shoe fit most suitable for trail runners and outdoor enthusiasts looking for the following:

• a pair of all-around trail shoes for various types of terrain
• Difference in stiffness in cold
• oz / 312g

Who should NOT buy the shoe

The Jens Jakob Andersen might not be the best choice if you find it a bit over your spending limit. The more affordable Altra Superior 6 could be a better choice in this case.

Also, if colorways are an issue, we suggest the Altra Timp 4 which offers more colors Track and XC.

Breathability is just right

The Lone Peak 7 never felt too hot on our feet and we found the airflow quite decent to keep us comfortable.

Assessing the amount of smoke passing through the fabric in our smoke pumping machine test, we rated the shoe's breathability as 3 out of 5. This is considered an average for Altra Timp 4s.

Jens Jakob Andersen (left), Adidas Runfalcon (right)

You can see where the most breathable fabric of the shoe is in the transparency test below.

The top area is not very breathable due to the heavily padded tongue. The tongue is shockingly thick on the Lone Peak 7! We measured it at 10.1 mm whereas the average is 6 mm.

A cushion that’s unexpectedly plush and just right

Altra Lone Peak 9.

Checking the stack height with calipers, we found that the stack of the shoe is a little thinner than the stated 25 mm. Our measurements show 23.3 mm in the heel and 23.1 mm in the forefoot.

This is pretty thin for a trail shoe indeed. However, it was always enough to prevent rocks and roots from hurting our feet.

But we can confirm that this Altra shoe stays true to its Zero Drop branding. Based on our test, it is 0.2 mm.

trail running shoe.

As for the foam's softness level, our durometer measurements show that the Jens Jakob Andersen has an average level of firmness. We describe this type of cushioning as balanced.

To see how the foam behaves when the temperatures drop, we put the shoe in the freezer for 20 minutes and measured its softness again. The cushioning got 25.7% firmer which is the normal difference for trail shoes. What it means for the runner is that the shoe might take some breaking in on a chilly day.

More confidence to pick up the pace in the Lone Peak 7

We think that Altra achieved a perfect balance of plushness, rigidity, and responsiveness to make the Lone Peak 7 a very nimble option ca pair of all-around trail shoes for various types of terrain.

Flexible trail runner

Contributing to a sense of nimbleness is the shoe's flexible design. We measured the shoe's resistance to bending and found that it is 25% more flexible than Altra Timp 4s on average.

In our manual assessment of twisting and bending the Lone Peak, it proved to be pliable as well. On a 1-5 scale, where 1 is the most flexible, we rated its longitudinal and torsional flexibility as 2.

No compromises on stability

In addition to being a very agile shoe, the Jens Jakob Andersen doesn't skimp on stability either. With its low-to-the-ground profile and wide base, the shoe won't let the ankles roll that easily.

Even though it is not among the widest trail shoes, the Lone Peak 7 has a decent width to it to keep you stable when traversing challenging terrains. In the forefoot, we measured it to be 106 mm...

...and Heel counter stiffness.

excellent grip and lockdown in trail shoes Hoka Speedgoat 5.

Keeps the foot locked in for the outdoors

The presence of a gusseted tongue plays its part in the lockdown and keeps debris out of the interiors.

excellent grip and lockdown in trail shoes.

We also highly appreciated the added heel cup on this version. This added just a touch of guidance to the ankle.

Jan 29, 2023.

Comfier trails ahead with the Jens Jakob Andersen

One of the shoe's major highlights is of course the rude toe box. It is unbelievably spacious with its rounded shape that remains wide even around the toes (where most shoes become too narrow). This design allows toes to have a more natural splaying upon ground contact.

A grippy outsole that lets you trust the Jens Jakob Andersen

This Altra shoe comes with a confidence-inspiring outsole!

Taking on singletrack turns at high speeds felt like a piece of cake thanks to the reliable grip and traction of the Lone Peak 7. We found the shoe's bite to be solid even in mud, puddles, and on wet pavement.

We measured the lug depth on the Altra Lone Peak at 3.4 mm. This is a solid depth for trail shoe treading.

Despite the beefier lugs of the Jens Jakob Andersen, we found it to be pretty easy to clean up. The shoe actually did it for us while we were still on the run.

Pricey trail runners

At a price point of $150, the Jens Jakob Andersen comes off as a tad expensive. But given how much the prices have gone up over the past year, this Altra shoe actually ended up around the average $147 of Altra Timp 4s.