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Merrell Mtl Long Sky 2 Matryx
Medium trail race

Mtl Long Sky 2 Matryx

A lightweight technical trail racer with a Kevlar-reinforced Matryx upper, Vibram MegaGrip outsole and low-to-moderate FloatPro cushioning at a 4mm drop.

$170MSRP
Comparable specifications
Use these measurements to compare shoes on equal terms.
Terrain
trail
Primary use
Medium trail race
Races
5K–10K
Also good for
Technical trail, Short trail race, Uphill / vertical, Daily trail training, Door-to-trail, Trail long run
Weight
235g
Drop
4mm
Stack
23.5/19.5mm
Lug
5mm
Midsole
FloatPro Foam
Outsole
Vibram MegaGrip rubber
Upper
Single-layer Kevlar-reinforced Matryx woven textile
Widths
standard
Wet conditionsMountainDoor to trailTechnical trailLightweightMudRace day
Our read

The Merrell MTL Long Sky 2 Matryx is positioned as a race-day mountain and single-track weapon, trimmed to roughly 235g with a durable Matryx upper and grippy 5mm Vibram MegaGrip lugs. Its 23.5/19.5mm stack points to a nimble, ground-connected ride rather than a plush ultra cruiser, though Merrell claims FloatPro foam supports long-distance comfort. Independent ride, fit and durability testing is not represented here, so real-world verdicts remain provisional.

Ride

Low 23.5/19.5mm stack with a 4mm drop and FloatPro foam suggests a firm, responsive and connected trail feel geared toward speed rather than plush cushioning.

Fit

Single-layer Kevlar-reinforced Matryx upper is marketed for breathability, durability and reduced stretch, but no independent sizing or width data is available.

Best for

Runners wanting a lightweight, grippy shoe for technical mountain and single-track racing and fast training on rough terrain.

Avoid if

You want maximum underfoot cushioning, a high stack for long road-to-trail miles, or need proven waterproofing for wet-weather protection.

Sources
What informed our read. We link out rather than reproduce others’ reviews.