Hiking Boots

Salomon X Ultra 4 Mid GTX vs Altra Lone Peak 8: Waterproof Boot or Zero-Drop Trail Runner

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The Salomon wins for wet protection and support. The Lone Peak wins for adapted zero-drop hikers who want less foot weight and faster drying.

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At a glance

The contenders

Salomon X Ultra 4 Mid GTX

Salomon X Ultra 4 Mid GTX

~$95–145typical

Weight
About 1 lb 11.5 oz per pair (about 13.8 oz per boot), men's size 9

A light waterproof mid boot with Gore-Tex, PU-coated leather/textile, Contagrip MA traction, QuickLace, and more structure than a trail runner. Best when wet protection and rough-trail confidence matter more than breathability.

Altra Lone Peak 8

Altra Lone Peak 8

~$80–120typical

Weight
10.7 oz per men's shoe spec; about 10.2 oz in some measured sizes

A zero-drop trail runner with a wide FootShape toe box, breathable ripstop mesh, MaxTrac outsole, 25 mm stack, and a low-cut feel. Best for hikers already adapted to zero drop and carrying lighter loads.

Spec check

How they stack up at a glance

ProductBest useWaterproofingWeightDrop and stackMaterials and fitSupport and break-inDurability patternDrying and heatPricePublic sentimentBuy
Salomon X Ultra 4 Mid GTXWet shoulder-season hikes, rougher trails, weekend loadsGore-Tex waterproof midAbout 1 lb 11.5 oz per pair (about 13.8 oz per boot), men's size 911 mm drop; 31.5/20.5 mm stack from TreelinePU-coated leather/textile upper, Gore-Tex, structured/narrower fitMore chassis support; low-to-moderate break-in before longer treksDurable for a lightweight boot, with mixed owner notes on waterproofing and wearWarmer and slower to dry if flooded~$95–145Amazon 4.0/5 from 64 ratings, checked 2026-08-11Check price →
Altra Lone Peak 8Dry three-season trail, fast-packing, lighter packsNon-waterproof breathable mesh10.7 oz per men's shoe spec; about 10.2 oz in some measured sizes0 mm drop, 25 mm heel and forefootRipstop mesh upper, MaxTrac outsole, roomy FootShape toe boxMore flexible; zero-drop body adaptation matters more than shoe break-inImproved upper, but outsole and midsole are replacement-cycle runner partsCooler, wets quickly, dries faster~$80–120Amazon 4.5/5 from 1,152 ratings, checked 2026-08-11Check price →

Salomon X Ultra 4 Mid GTX

★ Top pick
Best use
Wet shoulder-season hikes, rougher trails, weekend loads
Waterproofing
Gore-Tex waterproof mid
Weight
About 1 lb 11.5 oz per pair (about 13.8 oz per boot), men's size 9
Drop and stack
11 mm drop; 31.5/20.5 mm stack from Treeline
Materials and fit
PU-coated leather/textile upper, Gore-Tex, structured/narrower fit
Support and break-in
More chassis support; low-to-moderate break-in before longer treks
Durability pattern
Durable for a lightweight boot, with mixed owner notes on waterproofing and wear
Drying and heat
Warmer and slower to dry if flooded
Price
~$95–145
Public sentiment
Amazon 4.0/5 from 64 ratings, checked 2026-08-11
Check price →

Altra Lone Peak 8

★ Top pick
Best use
Dry three-season trail, fast-packing, lighter packs
Waterproofing
Non-waterproof breathable mesh
Weight
10.7 oz per men's shoe spec; about 10.2 oz in some measured sizes
Drop and stack
0 mm drop, 25 mm heel and forefoot
Materials and fit
Ripstop mesh upper, MaxTrac outsole, roomy FootShape toe box
Support and break-in
More flexible; zero-drop body adaptation matters more than shoe break-in
Durability pattern
Improved upper, but outsole and midsole are replacement-cycle runner parts
Drying and heat
Cooler, wets quickly, dries faster
Price
~$80–120
Public sentiment
Amazon 4.5/5 from 1,152 ratings, checked 2026-08-11
Check price →

Pick by scenario

Who This Comparison Is For

Jump straight to the winner for how you hike.

ScenarioBest pick
WeekenderSalomon X Ultra 4 Mid GTX
UltralightAltra Lone Peak 8
First-timerSalomon X Ultra 4 Mid GTX
Wet-climateSalomon X Ultra 4 Mid GTX
Bigger-hikerSalomon X Ultra 4 Mid GTX

The Short Answer

Pick the Salomon X Ultra 4 Mid GTX if your hike is wet, cool, rough, or loaded enough that protection matters. Gore-Tex, a mid collar, PU-coated leather/textile, Contagrip, and a more structured chassis make it the more confident shoe for a weekend backpacker carrying a moderate load through rain, roots, wet rock, or uneven tread. The weight I use across the site is about 1 lb 11.5 oz per pair, men's size 9, about 13.8 oz per boot, the number from my X Ultra 4 Mid GTX review.

Pick the Altra Lone Peak 8 if you already know zero drop works for you and your pack is light. It is cooler, lower, wider in the toe box, and faster drying on warm three-season trail. Altra's spec sheet says 10.7 oz per men's shoe, a 0 mm drop, and a 25 mm heel and forefoot.

A waterproof mid hiking boot and a low trail runner shown on two different trail surfaces.

Waterproof Boot vs Fast-Drying Runner

The Salomon's Gore-Tex membrane is the reason to buy it. In rain, wet brush, cold shoulder-season mornings, and shallow puddles, it buys time and comfort that the Lone Peak cannot match. It also has more upper coverage, so trail grit and splash have farther to travel before they reach your sock.

The catch is the standard waterproof-footwear catch: once a mid boot floods over the collar, it dries slowly. It also runs warmer than a mesh trail runner. In warm rain, desert water carries, or summer routes with repeated stream crossings, the Altra's non-waterproof mesh can be the better system because it accepts getting wet and dries faster afterward.

A waterproof mid boot on wet rock beside a breathable trail runner on dry singletrack.

Support, Load, and Terrain

Do not frame the Salomon as an injury-prevention device. That is not a claim worth making. Frame it as support feel and terrain matching. The X Ultra 4 Mid GTX has more structure, more collar coverage, and more protection when a backpacking load makes rocky or off-camber trail feel sloppy. It is also the shoe that benefits from a few short pre-trip hikes: Treeline found no hot spots on an initial five-mile hike, but still recommended break-in before longer treks.

The Lone Peak 8 goes the other direction. It asks your foot, ankle, calf, and Achilles to do more of the work. That can feel efficient and natural for hikers already adapted to zero drop, especially with a sub-20 lb pack. It can also feel punishing with a heavy pack or if you are coming straight from traditional hiking shoes. Treat the adaptation risk as the break-in issue, not the mesh upper.

A backpacker stepping onto uneven rock while wearing a Salomon X Ultra 4 Mid GTX boot.

Fit Is the Real Decision Point

The Salomon is the more precise, structured fit. That is great if your foot is average to narrow and you want heel hold on technical trail. It is less great if your forefoot is wide or high-volume. Wide options exist in the line, but availability varies, and the boot still has a more locked-in personality than the Altra.

The Lone Peak 8 is the roomy one. Its FootShape toe box lets toes spread on long days, and the low collar feels less restrictive. The important warning is zero drop: the 0 mm platform can overload calves and Achilles if you jump into it from a higher-drop shoe. For a first backpacking trip, that is a bad experiment.

Top-down comparison of a structured mid boot and a roomy zero-drop trail runner.

Value and Version Freshness

On value, the Lone Peak 8 looks better if you find the exact older model in its current Amazon band. As of 2026-10-06, the exact men's Lone Peak 8 ASIN was live and in stock, with colorways running about $80-120. Size and color availability can vary because the Lone Peak 9 is the current successor. The durability caveat is specific: the ripstop upper gets better notes than older mesh, but the outsole and midsole are still replacement-cycle trail-runner parts.

The Salomon costs more, but it also replaces a different category of shoe. You are paying for Gore-Tex, a PU-coated leather and textile upper, a mid-height collar, and more protection. Current Amazon signals show 4.0/5 from 64 ratings for an exact X Ultra 4 Mid GTX variant and 4.5/5 from 1,152 ratings for the Lone Peak 8, checked 2026-08-11. The X Ultra 4 is retired in favor of the X Ultra 5, and the linked listing is live but frequently has no featured offers, checked 2026-10-06; the X Ultra 4 family runs about $95-145. Confirm the exact older model and size before you buy.

A hiking boot and trail runner shown with neutral product context and no readable text.

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