Updates to Salomon Sonic RA Max 2

  • Salomon’s second iteration of the Sonic RA Max now provides even more stability for users who do their daily running. Aside from the usual benefits of a stability running shoe, the Sonic RA Max 2 offers additional cushioning to give users a comfortable and responsive ride to help log more miles.
  • The shoe presents an upper of engineered mesh that provides a customized and contoured fit. It is assisted by Salomon’s signature shoe technologies that contribute to gently securing the foot in place and giving a pleasant wear experience.
  • The midsole utilizes the features of EnergyCell+ and VIBE technology to deliver a cushioned, supportive ride while also minimizing the impact and its accompanying fatigue. The platform is partnered by Contagrip as the outsole, equipping the shoe with traction and flexibility throughout the gait cycle.

Size and fit

The Salomon Sonic RA Max 2 runs smaller than the standard running shoe, as shown in the sizing scheme in the brand’s website, as well as relayed by reviewers. It is highly recommended that buyers go a half-size higher than their usual preference to get a more accurate and comfortable fit. The Sonic RA Max 2 comes in Medium width for both the men’s and women’s versions.

Outsole

The blown rubber Contagrip outsole of the Salomon Sonic RA Max 2 is made from an ultra-lightweight formula that gives a plush feel and ground sensation. The blown rubber works hand-in-hand with another compound, called the Contagrip FA, which takes the form of the outsole’s lugs. The lugs of the Sonic RA Max 2 are flat and wide, providing the necessary friction on hard surfaces. It also delivers durability and traction that is ideal for road running.

The outsole also utilizes the Geometric Decoupling system, which gives the platform a symmetrical layout to allow effortless load guidance. This results in a more efficient heel-to-toe transition. With Geometric Decoupling, the foot receives just the right amount of energy for a smooth stride.

Midsole

Salomon’s VIBE Technology leads the way in providing functionality in the midsole of the Sonic RA Max 2. This proprietary feature combines two materials—EnergyCell+ and OPAL—that work together to reduce fatigue by dispersing shock vibrations. Each component has its own task, as well.

The EnergyCell+ midsole foam is lightweight and contributes to a responsive ride. Made from compression-molded ethylene-vinyl acetate (CMEVA), the EnergyCell+ supplies maximum-level energy return. It is also built to be durable and to provide substantial cushioning. Another Salomon running shoe that utilizes this feature is the Speedcross 5.

Meanwhile, the OPAL cushioning compound augments the soft underfoot feel of the midsole. This material is resistant to extreme temperatures.

The shoe includes a molded Ortholite sockliner for superior cushioning, breathability, and durability. It has an antibacterial quality, which aids in keeping the foot free from odor and moisture.

Upper

The Salomon Sonic RA Max 2 uses an engineered mesh upper to provide the foot with lightweight and breathable coverage. It is welded to stay durable. The upper is also reinforced with the brand’s Sensifit construction, which serves as overlays that cradle the foot for a secure, snug, and customized fit.

The welded soft collar adds to the comfort level of the Sonic RA Max 2. It also gives a more ergonomic feel, as well as helps lock the heel in place.

Facts / Specs

Terrain: Road
Weight: Men 280g / Women 240g
Drop: 10mm
Arch support: Stability
Forefoot height: 20mm
Heel height: 30mm

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Author
Jens Jakob Andersen
Jens Jakob Andersen

Jens Jakob is a fan of short distances with a 5K PR at 15:58 minutes. Based on 35 million race results, he's among the fastest 0.2% runners. Jens Jakob previously owned a running store, when he was also a competitive runner. His work is regularly featured in The New York Times, Washington Post, BBC and the likes as well as peer-reviewed journals. Finally, he has been a guest on +30 podcasts on running.