Salomon
S/Lab Ultra Glide 2
Salomon's premium ultra-distance trail shoe, with a 41 mm heel of dual-layer optiFOAM (a PEBA-based top layer, per Running Warehouse) shaped by RelieveSphere geometry under a Matryx upper. Reviewers praise its lockdown and stability but find it heavy and pricey for an S/Lab shoe.
What's new: Swaps the S/Lab Ultra Glide 1.5's upper for a lighter Matryx Micro build with a sock-like collar and a more precise, lower-volume fit; Road Trail Run notes a narrower platform and higher weight.

About the S/Lab Ultra Glide 2
Comfort and enhanced stability from the first mile to the last is the promise Salomon makes for the S/Lab Ultra Glide 2, its premium ultra-trail shoe. It is the S/Lab counterpart to the Ultra Glide 4: both have a 41 mm heel, a 6 mm drop and the wavy relieveSPHERE outsole geometry that Salomon says spreads pressure and reduces repeated impact.
The difference is inside. The S/Lab version sets a core of optiFOAM+, a PEBA and EVA blend, within a lightweight EVA optiFOAM carrier, a dual-foam build the standard Ultra Glide lacks. Its upper is Matryx Micro, a textile with coated Kevlar and technical yarn that Salomon says improves breathability and durability, closed with quickLACE. All-Terrain contaGRIP rubber with 4 mm lugs is designed for wet, dry, hard and loose ground. In the S/Lab line, the S/Lab Genesis 2 is the lower, gaitered alternative for technical ultra running.
Specs and features from salomon.com and our own spec data. A factual overview, not a review.
Video reviews
Watch Salomon S/Lab Ultra Glide 2 reviewsOpens YouTubeWhat the critics say
79/100 review score
- Road Trail Run 8.2/10
The reviews in briefRoad Trail Run's Sam Winebaum and Jen Schmidt, Believe in the Run's Taylor Bodin and Blister's Gordon Gianniny all praised the secure lockdown and stable cushioning of the Salomon S/Lab Ultra Glide 2, but found it heavy and pricey. Bodin enjoyed the responsive foam; Road Trail Run and Blister found it flat.
- Positive: Secure, precise lockdown from the new upper
- Positive: Stable and protective for such a tall shoe
- Positive: Plenty of cushioning for long days
- Mixed: Heel counter rubbed some testers until broken in
- Mixed: Hard to justify the price, with early lug wear for some testers
- Negative: Heavy for an S/Lab racer, with less energy return than rivals
Paraphrased from published reviews. Read them in full:
The numbers
- Trail
- Type
- 296 g
- Weight
- 41 mm
- Heel stack
- 6 mm
- Drop
- No plate
- Plate
- Inherently stable
- Support


Weight for a men's US 9 / UK 8.5.
What it feels like
Fit
True to size
Testers found it true to size, snug and low-volume through the heel and midfoot with a more generous forefoot; some had heel rubbing during the first few runs.
What Reddit runners say
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On TikTok
S/Lab Ultra Glide 2 on TikTokShort reviews and wear tests from runnersWhere to buy the S/Lab Ultra Glide 2
RRP around £230. Tap through for today's price.
Salomon S/Lab Ultra Glide 2
In short
Made for ultras and trail races if you have low-volume feet and want a stable, well-cushioned shoe with a precise fit. It's heavy and expensive for an S/Lab, so value hunters should try the Ultra Glide 4.
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