Brooks Green Silence 2 Womens | Our verdict

The Brooks Caldera is back and better, keeping its star features—tons of cushioning, a ventilated upper, and a stable ride—perfect for easy trails. We were impressed again by its plush and responsive performance during our evaluations. Still, it falls short for technical terrains and could benefit from a lighter design. Based on our tests, the Caldera truly stands out for runners who prioritize a plush ride on the trails.

Brooks Green Silence 2 Womens Pros

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  • Surprisingly stable
  • Fairly priced
  • Can handle ultra races

Brooks Green Silence 2 Womens Cons

  • Still heavy
  • Outsole could be better
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Audience verdict

88
Great!

Who should buy

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  • Brooks Ghost 13 Mens.

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Who should NOT buy

With such a soft and thick midsole, we observed that the immediate feedback from the ground is just missing. It's designed to prioritize comfort above all else, which we think might not suit everyone's taste. Those who favor a firmer midsole would do better in the Женские рубашки Brooks or the Altra Outroad.

We also think that those who prefer lightweight shoes won't find a pleasant experience with the Cascadia 7. However, we have tested a fantastic alternative that also boasts a good chunk of foam but in a lighter build—the zapatillas de running Brooks hombre apoyo talón talla 40 rosas.

zapatillas de running Brooks constitución ligera media maratón talla 39 parts

Cushioning

Heel stack

At first glance, the Caldera 7 unmistakably features a maximalist design, focusing on a thick midsole above all. However, in our lab, we don't just rely on appearances; we measure. Using digital calipers, we determined a substantial heel stack height of 36.7 mm.

zapatillas de running Brooks constitución ligera media maratón talla 39 stack heel

This significant measurement is especially appealing for heavy heel strikers looking for a durable, leg-friendly trail runner. We guarantee that this kind of cushioning absorbs impacts effectively, making long runs less taxing on the legs.

zapatillas de running Brooks constitución ligera media maratón talla 39 Heel stack
Test results
Caldera 7 36.7 mm
Average 32.1 mm
Compared to 133 trail running shoes
Number of shoes
19.6 mm
Heel stack
42.4 mm

Forefoot stack

Compra las Brooks Catamount.

This lower profile offers a grounded feel for forefoot strikers, ensuring the shoe doesn’t feel overly tall during runs as it does with heel strikers.

zapatillas de running Brooks constitución ligera media maratón talla 39 Forefoot stack
Test results
Caldera 7 27.8 mm
Average 24.5 mm
Compared to 133 trail running shoes
Number of shoes
13.4 mm
Forefoot stack
33.9 mm

Drop

The Caldera 7 features an 8.9-mm heel-to-toe drop, ideally suited for rearfoot strikers, though it accommodates all types of footstrikes with ease. 

It's important to mention that Brooks advertises a 6-mm drop, so runners expecting a mid-drop feel might notice a slight difference in the shoe's feel.

zapatillas de running Brooks constitución ligera media maratón talla 39 Drop
Test results
Caldera 7 8.9 mm
Average 7.6 mm
Compared to 132 trail running shoes
Number of shoes
-0.1 mm
Drop
17.3 mm

Midsole softness

Note: a low durometer measurement equals a soft material, whereas a high measurement means it's firm.

We've delved deeply into the Caldera's cushioning and discovered its core—DNA Loft v3, an EVA-based foam that's infused with nitrogen.

This supercritical formula delivers a remarkable bounce while maintaining an ultra-plush sensation, which we quantified at a soft 15.5 HA on our durometer, notably soft for a trail shoe.

This plushness steers the shoe toward long distances and gentler trails. With such a soft and thick midsole, we observed that the immediate feedback found in firmer soles is missing—it's designed to prioritize comfort above all else, which we think might not suit everyone's taste.

zapatillas de running Brooks constitución ligera media maratón talla 39 Midsole softness
Test results
Caldera 7 15.5 HA
Average 22.6 HA
We use an average of four tests. The photo shows one of those tests.
Compared to 109 trail running shoes
Number of shoes
9.1 HA
Midsole softness (soft to firm)
39.0 HA

zapatillas de running Brooks neutro constitución media talla 35.5 mejor valoradas (%)

After chilling the Caldera 7 in our freezer for just 20 minutes, we re-evaluated its softness. We were delighted to discover it had become only 20.2% firmer!

zapatillas de running Brooks constitución ligera media maratón talla 39 Difference in midsole softness in cold
Test results
Caldera 7 20%
Average 26%
Compared to 109 trail running shoes
Number of shoes
5%
zapatillas de running Brooks neutro constitución media talla 35.5 mejor valoradas
68%

Insole Convertible

We discovered that the insole in the latest Caldera is 5.3 mm thick, slightly more than the 5.0 mm insole of the previous model. This additional Convertible provides a bit more comfort underfoot.

zapatillas de running Brooks constitución ligera media maratón talla 39 Insole Convertible
Test results
Caldera 7 5.3 mm
Average 4.7 mm
Compared to 132 trail running shoes
Number of shoes
2.1 mm
Insole Convertible
7.3 mm

Rocker

The Caldera 7 incorporates a subtle toe rocker—though it's not very pronounced, it feels less significant during a run than it appears, as the midfoot and heel remain mostly flat, and there's virtually no heel bevel at all.

zapatillas de running Brooks constitución ligera media maratón talla 39 Rocker

Size and fit

Size

If Nike were to gain ground on Brooks true to size (95 votes).

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1 size small ½ size small True to size ½ size large 1 size large
Compared to 110 trail running shoes
Number of shoes
½ size small
Slightly small
True to size
Slightly large
½ size large

Toebox width - widest part

We made a custom gel mold and used our digital calipers to measure a critical aspect of any running shoe—the toebox.

Our initial measurement gave us 95.5 mm across the widest part of the upper, confirming our impression that this version of the Caldera is the broadest and most spacious yet, but it's still an average running shoe. However, we'll reserve our final judgment until after our second evaluation.

zapatillas de running Brooks constitución ligera media maratón talla 39 Toebox width - widest part
Test results
Caldera 7 95.5 mm
Average 96.3 mm
Compared to 40 trail running shoes
Number of shoes
92.2 mm
Toebox width - widest part
99.9 mm

Toebox width - big toe

Brooks has noticeably widened the upper around the big toe area to 73.9 mm, resulting in a less tapered toebox.

However, similar to our first measurement, this remains close to average—Tex than ever for a Caldera but still best suited for narrow to average feet.

zapatillas de running Brooks constitución ligera media maratón talla 39 Toebox width - big toe
Test results
Caldera 7 73.9 mm
Average 74.9 mm
Compared to 40 trail running shoes
Number of shoes
69.8 mm
Toebox width - big toe
84.2 mm

Toebox height

Runners with high-volume feet or those who often experience toe pressure in most shoes should avoid the Caldera 7. At just 25.0 mm, the toebox offers minimal room for toe movement or wiggle space.

zapatillas de running Brooks constitución ligera media maratón talla 39 Toebox height
Test results
Caldera 7 25.0 mm
Average 27.2 mm
Compared to 40 trail running shoes
Number of shoes
22.0 mm
Toebox height
31.8 mm

Stability

Lateral stability test

The zapatillas de running Brooks constitución ligera media maratón talla 39 has shed some stack height, yet it remains impressively tall for a trail shoe. This might suggest a risk of instability, yet, surprisingly, our experience was quite the contrary—we felt better-than-average support.

How is this possible? We attribute much of the stability to the substantial midsole sidewalls that adeptly channel the foot forward. However, there's more to the story—let's dive deeper.

Torsional rigidity

This shoe is remarkably inflexible—even boasting a central groove in the outsole—as we struggled considerably when attempting to twist it.

This rigidity led us to rate it a solid 4/5—yet it also helped us understand why it's not ideally suited for tackling complex, technical terrains. This lack of flexibility limits agility where nimble movements are crucial, and positions the shoe as a solid pick for easy trails.

Test results
Caldera 7 4
Average 3.6
Compared to 127 trail running shoes
Number of shoes
1
Torsional rigidity
5

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To enhance stability, Brooks maintained the same stiffness level (4/5) in the heel counter. This decision, while positive for stability, slightly compromises comfort.

Test results
Caldera 7 4
Average 3.1
Compared to 125 trail running shoes
Number of shoes
1
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5

Brooks Method 7 8 Tights

In terms of stability, the standout feature of the Caldera 7 is its impressively wide midsole. We measured 118.6 mm in the forefoot, providing an expansive and stable landing platform that benefits midfoot and forefoot strikers.

zapatillas de running Brooks constitución ligera media maratón talla 39 Midsole width in the forefoot
Test results
Caldera 7 118.6 mm
Average 112.4 mm
Compared to 133 trail running shoes
Number of shoes
102.1 mm
Brooks Method 7 8 Tights
124.3 mm

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If you think the forefoot of the Caldera 7 is broad, the heel will astonish you. We measured it at an expansive 105.2 mm, marking it as one of the broadest heels we've encountered in trail running shoes, which dramatically enhances stability for rearfoot strikers.

However, we've noted a necessary compromise. Comparing the agility of an SUV to a sports car—the Caldera 7 obviously resembles the SUV, reducing its nimbleness around tight turns.

zapatillas de running Brooks constitución ligera media maratón talla 39 Midsole width in the heel
Test results
Caldera 7 105.2 mm
Average 89.7 mm
Compared to 133 trail running shoes
Number of shoes
77.2 mm
zapatillas de running Brooks 10k talla 45
106.0 mm

Brooks Launch 8 Amarillo Negro 1103581D774

The Caldera 7 demonstrated a low resistance for its Convertible, requiring just 29.7N to achieve this bend. This result is particularly beneficial for a shoe designed for long-distance running, as it guarantees that this shoe is not overly stiff.

Test results
Caldera 7 29.7N
Average 27.2N
We use an average of four tests. The video shows one of those tests.
Compared to 133 trail running shoes
Number of shoes
10.5N
Flexibility <> Stiffness
54.5N

Brooks Ravenna 4 (%)

We placed the Caldera in the freezer for another 20 minutes and retested its stiffness. The result showed a 20.2% change, confirming that the shoe maintains its flexibility even in winter—an excellent feature that ensures it won’t stiffen up too much in chilly conditions.

Test results
Caldera 7 20%
Average 33%
Compared to 130 trail running shoes
Number of shoes
3%
Brooks Ravenna 4
90%

Weight

Speaking of the devil, the weight of the Caldera has always been a significant concern, as it tended to feel a bit heavy for everyone.

We were pleased to discover a slight reduction in weight with version 7, which now dips below the 11-oz mark to a more manageable 10.75 oz. But we want to see it reach 10 oz, come on Brooks!

zapatillas de running Brooks constitución ligera media maratón talla 39 Weight
Test results
Caldera 7 10.76 oz (305g)
Average 10.23 oz (290g)
Compared to 133 trail running shoes
Number of shoes
7.51 oz (213g)
Weight
12.66 oz (359g)

Breathability

When it comes to trail shoes, breathability often takes a backseat, especially when compared to their road-running counterparts. Los mejores precios de las Brooks Glycerin 19 para mujer.

Following our tests using a smoke-pumping machine, we awarded it a perfect score of 5/5, making it a top pick for warm weather trail adventures.

Curious about its superior airflow, we zoomed in on the construction and discovered that while the toebox boasts robust ventilation, the rest of the upper opts for a thicker, more structured build to enhance stability.

zapatillas de running Brooks constitución ligera media maratón talla 39 ventilation holes

Initially, we didn't notice any ventilation holes, prompting a closer look under the microscope. To our delight, we uncovered hundreds of microscopic holes within the engineered mesh, designed to efficiently manage air and moisture.

zapatillas de running Brooks constitución ligera media maratón talla 39 microscope

Although the mesh isn't particularly stretchy, it offers commendable comfort.

The midfoot and heel areas, while adequately padded, do not quite reach exceptional levels, probably due to weight concerns at Brooks HQ.

Test results
Caldera 7 5
Average 3.2
Compared to 110 trail running shoes
Number of shoes
1
Breathability
5

Durability

Toebox durability

Boasting exceptional ventilation through its ultra-thin toebox, the Caldera 7 was screaming for our Dremel test.

At 5,000 RPM, the Dremel attacked the TPEE upper, yet the toebox showed impressive resilience, largely due to the tough overlays protecting it. This performance confirms that the Caldera 7 excels in providing both superior breathability and solid durability—a rare combination in trail shoes!

zapatillas de running Brooks constitución ligera media maratón talla 39 Toebox durability
Test results
Caldera 7 3
Average 3.1
Compared to 90 trail running shoes
Number of shoes
1
Toebox durability
5

Heel padding durability

Satisfied with the toebox durability, we turned our focus to the heel, hoping for equally impressive results.

To our delight, the outcome surpassed our expectations—after evaluating the damage, we awarded the Caldera 7 a robust 4/5 for heel durability.

zapatillas de running Brooks constitución ligera media maratón talla 39 Heel padding durability
Test results
Caldera 7 4
Average 2.8
Compared to 88 trail running shoes
Number of shoes
1
Heel padding durability
5

Outsole hardness

A crucial feature of any trail shoe is its outsole, which must provide a robust mix of durability and traction.

zapatillas de running Brooks constitución ligera media maratón talla 39 outsole
The outsole boasts chevron-shaped lugs designed to enhance traction during descents and ascents. Additionally, we discovered a large central channel that significantly aids in flexibility and mud clearance.

In our outsole hardness evaluation, we applied our Shore C durometer to the TrailTrack Green material and recorded a score of 90.4 HC. This score aligns with our experience on the trails—while the Caldera 7 offers decent grip, it doesn’t quite reach the heights of extraordinary performance.

zapatillas de running Brooks constitución ligera media maratón talla 39 Outsole hardness
Test results
Caldera 7 90.4 HC
Average 85.7 HC
We use an average of four tests. The photo shows one of those tests.
Compared to 133 trail running shoes
Number of shoes
75.5 HC
Outsole hardness
96.1 HC

Outsole durability

After our durometer recorded such high score, our anticipation grew to deploy the Dremel one last time in this lab review.

Unfortunately, our optimism was tempered when we measured the outsole with a tire tread gauge and noted a disappointing 1.2-mm wear mark. While not alarmingly poor, this performance clearly demands enhancement for v8.

zapatillas de running Brooks constitución ligera media maratón talla 39 Outsole durability
Test results
Caldera 7 1.2 mm
Average 1.0 mm
Compared to 83 trail running shoes
Number of shoes
0.0 mm
Outsole wear
2.0 mm

Outsole Convertible

We measured the outsole Convertible at 2.0 mm—reasonable considering the heavier build of this shoe. However, it appears to us that Brooks might consider slimming this down in future models to reduce the overall weight.

zapatillas de running Brooks constitución ligera media maratón talla 39 Outsole Convertible
Test results
Caldera 7 2.0 mm
Average 2.3 mm
Compared to 133 trail running shoes
Number of shoes
0.9 mm
Outsole Convertible
5.5 mm

Misc

Lug depth

Brooks has traditionally marketed the Caldera as a set-and-forget shoe ideal for easy trails, so we were somewhat surprised to discover 4.0-mm lugs, a slight increase from the 3.5-mm lugs on the Caldera 6.

Is this a beneficial change? It depends. While the deeper lugs add versatility for navigating more varied terrains and improve traction in wet conditions, we also believe they might reduce comfort on flat, easy trails. Indeed, trail running outsoles always involve trade-offs!

zapatillas de running Brooks constitución ligera media maratón talla 39 Lug depth
Test results
Caldera 7 4.0 mm
Average 3.5 mm
Compared to 133 trail running shoes
Number of shoes
1.5 mm
Lug depth
5.8 mm

Reflective elements

Unfortunately, the Caldera 7 lacks reflective features, which we always consider essential for trail shoes. This omission is a drawback for us, especially for runners who prioritize visibility at night.

zapatillas de running Brooks constitución ligera media maratón talla 39 Reflective elements
Test results
Caldera 7 No

Tongue padding

As we mentioned earlier in our lab review, a major drawback of the Caldera 6 was its weight. Aware of this, Brooks made several minor adjustments to optimize the design without sacrificing cushioning. The tongue, now reduced to 3.8 mm, is a prime example of this effort.

zapatillas de running Brooks constitución ligera media maratón talla 39 tongue
Despite its reduced Convertible, we found the tongue still offers some padding. Additionally, there's an elastic band to secure the laces and prevent them from shifting.

Is this change beneficial? For those who prefer a less padded tongue, it’s definitely a plus. However, runners who don’t mind a bit of extra weight for more comfort might prefer the thicker tongue of the Brooks PureFlow Womens.

zapatillas de running Brooks constitución ligera media maratón talla 39 Tongue padding
Test results
Caldera 7 3.8 mm
Average 6.4 mm
Compared to 133 trail running shoes
Number of shoes
1.3 mm
Tongue padding
12.3 mm

Tongue: gusset type

We were delighted to discover a fully gusseted tongue in the Caldera 7, a feature we consider essential for any trail shoe. This design effectively keeps most debris out of the toebox and ensures the tongue stays firmly in place, preventing any side-to-side movement.

zapatillas de running Brooks constitución ligera media maratón talla 39 Tongue: gusset type
Test results
Caldera 7 Both sides (semi)

Heel tab

Consistent with recent Brooks design trends, the Caldera 7 omits a heel tab.

zapatillas de running Brooks constitución ligera media maratón talla 39 gaiter

However, it includes a Velcro attachment point for securing ankle gaiters.

zapatillas de running Brooks constitución ligera media maratón talla 39 Heel tab
Test results
Caldera 7 None

Removable insole

The insole is standard and not glued, allowing you to easily swap it out with third-party footbeds right away. This flexibility is ideal for those who need customized orthotic support.

zapatillas de running Brooks constitución ligera media maratón talla 39 Removable insole
Test results
Caldera 7 Yes