Salomon S Lab Phantasm 3 Preview

A professional, high-speed action shot of a runner wearing the Salomon S Lab Phantasm 3 on a dark, wet track under dramatic stadium lighting.

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This page is a preview based on early news and info and will be updated with a full hands-on review upon launch.

Evolution: The history of the shoe line

The Salomon S Lab Phantasm line represents a radical departure from the brand's traditional trail-focused heritage. Originally conceived to bridge the gap between high-performance road racing and the aesthetic precision of the S Lab division, the series has evolved from a stiff, aggressive tempo trainer into a legitimate marathon contender. The progression from the original iteration to the Phantasm 2 demonstrated a refined focus on rocker geometry and foam density, and the upcoming Phantasm 3 appears to be the culmination of this iterative data-gathering process.

Top 5 Features to look out for

Energy Surge+ midsole foam for enhanced energy return.
Redesigned Energy Blade plate for increased lateral stability.
Engineered mono-mesh upper for superior breathability and reduced weight.
Contagrip FA outsole compound optimised for wet road traction.
Anatomical heel counter construction to mitigate Achilles irritation.

What are the press saying?

Early press releases and industry leaks suggest that Salomon is doubling down on their proprietary foam chemistry. Journalists who have caught glimpses of prototypes in European road racing circuits report a noticeable shift in the durometer of the midsole. The consensus among footwear analysts is that the Phantasm 3 aims to compete directly with the major carbon-plated players by offering a more organic, ground-connected ride rather than an overly detached, bouncy sensation.

What are the review sites saying?

While formal reviews remain under embargo, early speculation from performance-focused running outlets highlights the potential for a weight reduction. Analysts are predicting a sub-200g weight profile for a standard UK size 8, which would position the Phantasm 3 as one of the lightest racers in its category. There is significant debate surrounding the efficacy of the new rocker profile, with some suggesting it might be more aggressive than previous generations.

Performance Expectations: What improvements are expected?

We anticipate that the Phantasm 3 will prioritise a more consistent gait cycle. By refining the transition zone between the midfoot and forefoot, Salomon intends to reduce the mechanical energy loss often associated with high-stack racing shoes. The expected improvements in foam resilience suggest a shoe that maintains its responsiveness beyond the 30km mark, addressing a common critique of the predecessor.

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Special Features & Technical Specifications

The technical specifications point towards a stack height approaching 40mm, keeping it within World Athletics regulations. The use of a new PEBA-based compound in the midsole is the most anticipated upgrade. Furthermore, the geometry of the Energy Blade has been modified to provide a more linear propulsion path, effectively guiding the runner's centre of pressure through the toe-off phase with higher precision.

Comfort & Fit

Salomon has historically favoured a precision fit, and the Phantasm 3 is expected to continue this trend. The upper is rumoured to utilise a highly breathable, hydrophobic mono-mesh that reduces water retention—a critical factor for long-distance performance. We expect a secure midfoot lockdown facilitated by an integrated tongue gusset, ensuring the chassis remains stable during high-velocity cornering.

A cinematic, motion-blurred shot of the Salomon S Lab Phantasm 3 in mid-stride, showcasing the aggressive rocker geometry and crisp design details.

Release Date & Pricing Information

Current indicators suggest a global launch window in the coming months, with a price point expected to hover around £220 in the UK and $230 in the USA. Salomon is likely to target the peak spring marathon season, positioning this as their flagship offering for road racers.

10 alternative items to try

Nike Vaporfly 3: The benchmark for carbon-plated racers. Its ZoomX foam provides unparalleled energy return, while the thin upper ensures a lightweight feel. It is ideal for those prioritising raw speed and aggressive propulsion over long distances.
Adidas Adizero Adios Pro 3: Featuring Lightstrike Pro foam and Energy Rods, this shoe offers a more stable ride compared to its competitors. It excels in half-marathon and marathon distances, providing a unique blend of responsiveness and structural integrity for the dedicated athlete.
Saucony Endorphin Pro 4: A versatile racer that combines PowerRun HG foam with a speedroll technology. It provides a smooth, fluid transition that feels natural at various speeds, making it a reliable choice for training sessions and race day alike.
Asics Metaspeed Sky Paris: Designed specifically for stride-style runners, this shoe features a high-rebound foam and a carbon plate that promotes a longer stride length. Its exceptionally light weight makes it a top contender for personal best attempts.
New Balance FuelCell SuperComp Elite v4: This shoe utilises a refined FuelCell compound that provides a softer, more forgiving ride. It is an excellent option for runners who want the benefits of a carbon plate without the harshness of stiffer racing shoes.
Brooks Hyperion Elite 4: Known for its exceptional durability, this racer is perfect for those who want a shoe that can handle both high-mileage training and race-day efforts. The DNA Flash midsole provides a consistent, reliable feel throughout the entire run.
Hoka Rocket X 2: With its dramatic rocker geometry and dual-density foam setup, the Rocket X 2 is built for speed. It offers a very distinct sensation that encourages a quick turnover, making it perfect for shorter road races and tempo efforts.
Puma Deviate Nitro Elite 3: A highly underrated racer that features excellent grip and a responsive nitrogen-infused foam. Its performance on various surfaces makes it a great all-rounder for runners who encounter changing road conditions during their training.
On Cloudboom Echo 3: Built with a focus on impact protection, this shoe uses a unique CloudTec element design to dampen forces. It is well-suited for runners who need a bit more cushioning without sacrificing the propulsion offered by a carbon plate.
Mizuno Wave Rebellion Pro 2: Featuring a highly unique geometry, this shoe is designed to force the foot into an efficient strike pattern. It is an aggressive, fast option for those who want to experiment with different biomechanical approaches to their running form.