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  1. Shoes
  2. INOV-8 TrailFly Max vs Merrell MTL Long Sky 2

INOV-8 TrailFly Max vs Merrell MTL Long Sky 2

INOV-8 TrailFly Max

INOV-8 TrailFly Max

$170
Merrell MTL Long Sky 2

Merrell MTL Long Sky 2

$170

Quick verdict

INOV-8 TrailFly Max

$170

The better pick if you want:

  • More cushioning (35 vs 23.5 mm heel stack)

Merrell MTL Long Sky 2

$170

The better pick if you want:

  • A higher overall score (85 vs 81)
  • A lighter option (45 g less)
  • A lower drop (4 vs 6 mm)
SpecsReview10Alternatives5

Spec profile

Each axis ranks against the 174 products in Shoes on the site: the further out, the more it stands out in that spec (lighter, cheaper…).

Center: lowest in the category · Edge: highest

INOV-8 TrailFly Max· leads in 1

Cushioning

Merrell MTL Long Sky 2· leads in 2

LightnessGrip

Tied

Affordability
  • Cushioning

    35 mmTop 43%
    24 mm
  • Lightness

    280 gTop 39%
    235 gTop 7%
  • Grip

    4 mmTop 50%
    5 mmTop 13%
  • Drophigher isn't better or worse

    6 mm
    4 mm
  • Affordability

    $170
    $170

Technical Specifications

Compare features between INOV-8 TrailFly Max vs Merrell MTL Long Sky 2

Best value in this comparison
Feature
INOV-8 TrailFly Max$170Merrell MTL Long Sky 2$170

Essentials

$170
$170
2025
2022
280 g
235 g

Overview

Trail Running Shoe
Trail Running Shoe
Hard-packed & rocky trails
Technical trails
Long distance trail running, endurance runs and ultramarathons
Trail running on varied and technical terrain

Cushioning

6 mm
4 mm
35 mm
23.5 mm
29 mm
19.5 mm
FLYSPEED PRO nitrogen-infused foam
FloatPro™ foam for lightweight durable cushioning

Grip & protection

G-GRIP graphene-infused rubber with 4mm lugs
Vibram® MegaGrip high performance rubber with 5 mm lugs

Upper & fit

—
ETPU high rebound foam footbed
Ready to buy?

On the terrain

How INOV-8 TrailFly Max vs Merrell MTL Long Sky 2 should behave on each kind of ground, estimated from lug depth, stack height, weight and outsole rubber. Pick a ground to see what decides it.

Pick a groundAverage
INOV-8 TrailFly Max57
Merrell MTL Long Sky 272

FlatPacked, runnable trail

Cushioning and low weight make the kilometres easier; very deep lugs squirm on hard ground.

INOV-8 TrailFly Max75
  • Cushioning31/40
  • Lightness19/35
  • Smooth roll25/25
Merrell MTL Long Sky 268
  • Cushioning20/40
  • Lightness31/35
  • Smooth roll17/25

A model built from the specs to compare shoes, not a lab measurement.

INOV-8 TrailFly Max

Have you used the INOV-8 TrailFly Max before?

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Merrell MTL Long Sky 2

Have you used the Merrell MTL Long Sky 2 before?

Help the community by answering

Video Reviews

Watch real-world YouTube reviews from content creators and the Trail Running community.

See all 10 video reviews

INOV-8 TrailFly Max

Merrell MTL Long Sky 2

Visual Comparison

See the differences between INOV-8 TrailFly Max and Merrell MTL Long Sky 2 in a side-by-side slider comparison.

INOV-8 TrailFly Max
Merrell MTL Long Sky 2

Comparison Questions

Answers based on product data and key differences.

Ask your own question

Can't find what you're looking for? Ask anything about INOV-8 TrailFly Max vs Merrell MTL Long Sky 2 and our AI will answer.

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Frequently Asked Questions

Which offers better value: INOV-8 TrailFly Max vs Merrell MTL Long Sky 2?

For value comparison: The INOV-8 TrailFly Max ($170) provides premium features compared to the Merrell MTL Long Sky 2 ($170). Consider your budget and the specific features that matter most for your trail running setup.

Which is newer, the INOV-8 TrailFly Max or the Merrell MTL Long Sky 2?

The INOV-8 TrailFly Max is newer: it came out in 2025, and the Merrell MTL Long Sky 2 in 2022.

Looking for alternatives to INOV-8 TrailFly Max?

Closest in price, with what each one does better.

See all alternatives
1The North Face Altamesa 500 v2
The North Face Altamesa 500 v2

The North Face

$170Score 91+10

Better than INOV-8 TrailFly Max at:

  • A higher overall score (91 vs 81)
  • More cushioning (44 vs 35 mm heel stack)
Compare with INOV-8 TrailFly Max
2NNormal Tomir 2
NNormal Tomir 2

NNormal

$170Score 90+9

Better than INOV-8 TrailFly Max at:

  • A higher overall score (90 vs 81)
  • A lighter option (16 g less)
Compare with INOV-8 TrailFly Max
3La Sportiva Prodigio 2
La Sportiva Prodigio 2

La Sportiva

$170Score 78−3
Compare with INOV-8 TrailFly Max

Popular Comparisons

Compare INOV-8 TrailFly Max or Merrell MTL Long Sky 2 with other top trail running shoes from brands such as INOV-8, Merrell and more.

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