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New Balance Summit Unknown v4

In production · trail · Trail / Tempo / Daily · $130

Agile door-to-trail shoe with a protective rock plate.

Built for trail, tempo, daily, at a target pace of 8:30–11:30 /mi on trail.

The spec sheet

Weight
280 g / 9.9 oz
Heel stack
32 mm
Drop
6 mm
Plate
Rock
Cushioning
3 / 5
Energy return
3 / 5
Responsiveness
3 / 5
Rocker
3 / 5
Flexibility
3 / 5
Stability
3 / 5 (5 = most guidance)
Toe-box
Standard
Sizing
True to size
Durability
~400 mi
Price
$130

How it rides

The foam

New Balance tuned this midsole balanced (3/5 on our cushioning scale). Energy return is moderate — comfortable and predictable rather than bouncy. 32 mm of heel stack is the modern daily-trainer sweet spot — enough foam for long miles without losing contact with the road. Combined, the ride reads as lively at 3/5 responsiveness.

The plate

A rock plate sits between the foam and the outsole to spread the load of sharp stones and roots. It is protection, not propulsion — it does not add pop, but it keeps the underfoot bruising out of long days on technical ground.

The geometry

A 6 mm drop is the mainstream middle — familiar to almost anyone coming from a standard trainer. The rocker is moderate — enough curve to smooth the roll-through without dictating your footstrike. Forefoot flex is middle of the road. Support is light — neutral, with a mildly steady platform.

Fit, sizing & life

The toe-box is standard width — comfortable for most feet without swimming. It fits true to size. Expect roughly 400 miles from the outsole, about $0.33 per mile at $130.

For the foams and plates New Balance uses across its line, read the New Balance brand guide.

How it compares

Measured against the 542 currently-available shoes in the catalog. The bar shows where this shoe sits in that range.

Weight

280 g / 9.9 oz

5 g heavier than the catalog median of 275 g

Heel stack

32 mm

4 mm lower than the catalog median of 36 mm

Drop

6 mm

Level with the catalog median of 6 mm

Price

$130

30 cheaper than the catalog median of 160

Responsiveness

3 / 5

Catalog median 3 / 5

Cushioning

3 / 5

Catalog median 4 / 5

Energy return

3 / 5

Catalog median 3 / 5

Durability

~400 mi

Catalog median ~400 mi

Within the New Balance line it is heavier than the brand's median (278 g / 9.8 oz) and sits lower than its median stack (36 mm).

Closest alternatives

Current shoes with the nearest combination of weight, stack, drop, foam feel and plate.

Brooks High Point 2

270 g / 9.5 oz · 33 mm · 6 mm drop · Rock · $160

Nimble mountain shoe with grippy lugs and a protective plate.

On Cloudventure 3

290 g / 10.2 oz · 34 mm · 6 mm drop · Rock · $160

Versatile trail shoe with Missiongrip and a rock plate.

On Cloudultra 3

295 g / 10.4 oz · 32 mm · 6 mm drop · Rock · $190

Long-haul trail shoe with adjustable Flip-Release lacing.

Brooks Catamount 4

270 g / 9.5 oz · 34 mm · 6 mm drop · Rock · $180

Light trail racer with SkyVault plate propulsion.

Saucony Peregrine 16(2026)

271 g / 9.6 oz · 32 mm · 4 mm drop · Rock · $150

Aggressive PWRTRAC lugs and a nimble, low-to-ground feel.

Lineage & siblings