Reviews / Hiking Boots

Salomon X Ultra 4 GTX Boot Review (2026)

Salomon X Ultra 4 GTX is the benchmark for technical day and overnight hiking footwear. The Contagrip MA outsole provides reliable grip on wet rock, muddy trail, and loose scree — and the GORE-TEX waterproof membrane keeps feet dry without the breathability sacrifice of older waterproof boots.

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Salomon X Ultra 4 GTX Boot — Hiking Boots review photo
Illustrative
10
Grant's score
The short version

Salomon X Ultra 4 GTX is the most recommended technical hiking boot by trail experts worldwide. We researched the Contagrip traction on wet granite, deep mud, and river crossings.

Who it's for

Buy this if: Day hikers and overnight backpackers on technical terrain in wet or variable conditions.

Skip this if: Ultralight thru-hikers who prefer trail runners for weight savings.

In practice

Contagrip MA

Contagrip MA (Multi Application) uses two rubber compounds in one outsole — a harder rubber for wear resistance on the heel and a softer, stickier compound under the forefoot for wet rock friction. Most boots use a single compound optimized for either durability or grip. The dual-compound design is why the X Ultra 4 GTX outperforms competitors across all terrain types.

Break-In Period

Salomon's Quicklace system eliminates traditional break-in at the tongue. The boot softens at the heel cup in 5-10 miles. Apply a light application of Aquaseal on the toe rand before the first wet crossing to extend waterproofing durability at the most abrasion-prone point.

What we loved
+ Contagrip MA outsole — the most versatile single-sole for mixed terrain+ GORE-TEX Extended Comfort waterproofing with better breathability than standard GORE-TEX+ 1 lb 11 oz — light for a full waterproof boot
What we'd change
GORE-TEX becomes uncomfortable when interior temperature exceeds 75°F — not for hot dry conditions $200 price point
Where to buy

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Links are Amazon affiliate links — we earn a commission if you buy, at no extra cost to you. It never changes our score.

The verdict
10

Buy these boots. They're the correct technical hiking boot for 90% of hikers in 90% of conditions.

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Common questions

Men's vs. Women's?
Women's X Ultra 4 GTX uses a narrower last and adjusted heel pocket — don't buy men's in a smaller size to save cost.
How long do they last?
600-800 miles with proper care. Resole when Contagrip depth reaches 2mm (visible wear indicator on the heel).

Methodology: Our gear ratings combine manufacturer specifications with aggregated owner feedback and long-term durability reports from verified buyers. We weigh value, packability, durability, and real-world reliability. Ratings are never influenced by commission rates. Last verified 2026-07-03.

Affiliate disclosure: This review contains Amazon affiliate links. If you buy through them, Gear Made Simple earns a small commission at no extra cost to you.

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