The Adidas Adizero Prime X3 Strung Review & Lab Test of 2026

The Adidas Adizero Prime X3 STRUNG is a high-performance running shoe designed for dedicated athletes. This model is particularly suitable for runners seeking enhanced bounce and shock absorption, supported by its advanced materials and construction.

Lab tests reveal a notable improvement in shock absorption capabilities compared to previous models. The robust STRUNG upper contributes to a secure fit while maintaining breathability. Additionally, despite its heavier weight, the shoe offers verified energy return that can optimize running efficiency.

With its unique design and performance metrics, the Adidas Adizero Prime X3 STRUNG stands out as an intriguing option for serious runners looking to push their limits.

Pros

  • Excellent shock absorption
  • Fantastic bounce from new Lightstrike Pro foam
  • Fits better than v2
  • Innovative tech and design from heel to toe
  • STRUNG upper is just awesome
  • Works well on any season
  • Skyscraper-like stack height
  • A total blast (if it suits you)
  • Breathable upper

Cons

  • Crazy expensive
  • Heavier than all supershoes
  • Heel strikers may feel unstable
  • Too stiff for easy days

Key Features

  • Regular fit for enhanced comfort
  • Lace closure for a secure fit
  • Synthetic upper for durability and breathability
  • Textile sockliner for added comfort
  • LightstrikePro midsole for superior cushioning and energy return

Specifications

  • Origin: Made in USA and Imported
  • Sole material: Rubber
  • Outer material: Synthetic
  • Closure type: Lace-Up

Adidas Adizero Prime X3 Strung Review & Lab Test – Price, Ratings, Reviews & Sales Insights

Adidas Adizero Prime X3 STRUNG Hoka Skyward X Brooks Hyperion Elite 5 Saucony Endorphin Pro 4
Price $300 $225 $275 $225
Pace Competition Daily running Competition Competition
Arch support Neutral Neutral Neutral Neutral
Weight lab Weight brand 10.3 oz / 291g 11.1 oz / 315g 7.2 oz / 204g 7.8 oz / 220g
Lightweight
Drop lab Drop brand 13.0 mm 9.2 mm 11.2 mm 9.5 mm
Strike pattern Heel Heel Heel Heel
Size True to size True to size - True to size
Midsole softness Soft Soft Soft Balanced
Difference in midsole softness in cold Small Small Small Small
Toebox durability Good Good Decent Good
Heel padding durability Good Good Good Good
Outsole durability Bad Good Bad Good
Breathability Moderate Breathable Breathable Breathable
Width / fit Medium Narrow Narrow Medium
Toebox width Medium Narrow Medium Medium
Stiffness Stiff Stiff Stiff Stiff
Torsional rigidity Stiff Stiff Stiff Stiff
Heel counter stiffness Flexible Stiff Flexible Flexible
Plate Carbon plate Carbon plate Carbon plate Carbon plate
Rocker
Heel lab Heel brand 48.1 mm 46.3 mm 37.6 mm 38.1 mm
Forefoot lab Forefoot brand 35.1 mm 37.1 mm 26.4 mm 28.6 mm
Widths available Normal Normal Normal Normal
Orthotic friendly
Season All seasons Summer Summer Summer
Removable insole
Ranking Top 14% Top 46% Top 9% Top 39%
Popularity Bottom 31% Top 18% Top 31% Top 10%