adidas adizero Prime X 2 Strung - Blue - UK 5

Built without the constraints of world race regulations, the adidas Adizero Prime X 2 Strung in Da...

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Product Information

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The adidas Adizero Prime X 2 Strung is a high-performance running shoe designed for competitive athletes seeking maximum energy return and efficiency in races. Built without the standard world race regulations, it features a massive stack of Lightstrike Pro foam, dual carbon-infused plates, and a dynamic STRUNG upper, offering an undeniable advantage for those looking to push their limits, though its stack height may make it non-compliant for some official events.

All features

Age Groupadult
ColourBlue
GenderUnisex
Shoe Size UK5
Accent ColourOrange
SeriesAdizero Prime X 2.0
Brandadidas

Extended Product Information

FAQs

What is the stack height of the Adizero Prime X 2 Strung?

The shoe features an impressive 50mm stack height, providing exceptional cushioning and energy return.

Are these shoes legal for all competitive races?

No, due to their 50mm stack height, these shoes exceed the typical 40mm World Athletics regulations for official races. They are designed for athletes seeking an advantage without regulatory constraints.

What does 'STRUNG upper' mean?

STRUNG is an adidas textile innovation that uses athlete data to create a dynamic, supportive upper. It builds support layer by layer, offering precise containment, expansion zones, and a locked-in fit tailored to a runner's needs.

How much does one shoe weigh?

One shoe weighs 315g (for UK 5 size), making it a relatively lightweight option given its high stack and advanced features.

What is the heel-to-toe offset?

The Adizero Prime X 2 Strung has a 6.5mm heel-to-toe offset (50mm heel / 43.5mm forefoot).

What surfaces are these shoes best suited for?

Thanks to the Continental rubber outsole, these shoes provide serious grip on a variety of road surfaces, both dry and wet, making them versatile for different race-day conditions.

Can I use these shoes for daily training?

While comfortable, these shoes are specifically engineered for high-performance racing and tempo efforts. Their specialized design and high stack may not be ideal for all daily training runs, which might benefit from a more traditional daily trainer.

Troubleshooting

Shoes feel unstable or too high.

The Adizero Prime X 2 Strung has a significant stack height. Allow time for your body to adapt. Ensure laces are securely fastened, and experiment with different lacing techniques to achieve a locked-in feel, especially around the ankle.

Not experiencing the full 'pop' or energy return.

The shoe's maximal energy return is most pronounced at faster paces and during racing efforts. Ensure your running form is optimized for forward propulsion, engaging the midfoot and forefoot where the plates and energy core provide spring. This shoe rewards an aggressive, forward-leaning posture.

Laces frequently come undone during a run.

Ensure you are tying your laces firmly. Using a double knot or a 'surgeon's knot' can provide a more secure hold. Check if the laces are worn and consider replacing them if they are too slick or frayed.

Pros and Cons

Pros

  • Exceptional energy return and propulsion for speed
  • Superior cushioning for long-distance comfort
  • Reliable traction on various surfaces (wet and dry)
  • Adaptive and secure fit with STRUNG upper technology
  • Lightweight construction for reduced fatigue
  • Engineered for enhanced running efficiency

Cons

  • Exceeds world race regulations stack height (50mm vs. typically 40mm limit), making it non-compliant for some official races
  • High stack height might feel unfamiliar or less stable for some runners
  • Specialized design may not be ideal for everyday training runs
  • Info needed: Durability of high-stack foam over extensive mileage

Setup, Compatibility & Care

Setup

The Adizero Prime X 2 Strung features a traditional lace closure system. To ensure optimal fit and performance:

  1. Lacing: Thread the laces through all eyelets. Start from the lowest eyelet and pull firmly but comfortably to secure the midfoot.
  2. Tongue Adjustment: Ensure the knitted tongue is centered and lies flat against your foot to enhance comfort and prevent chafing.
  3. Heel Lock: For a more secure fit, especially if you experience heel slippage, consider using a 'runner's knot' or 'heel lock' lacing technique with the top eyelets.
  4. First Run: Wear the shoes for a short, easy run before a race to break them in and allow your feet to adapt to the unique stack height and feel.

Compatibility

  • Gender: Unisex design, suitable for all adult runners.
  • Activity: Primarily designed for high-performance road racing and tempo runs. While comfortable, its specialized design may be less ideal for casual training or trail running.
  • Foot Type: Features a regular fit. The STRUNG upper is designed to adapt to various foot shapes.

Care

Proper care extends the lifespan and maintains the performance of your running shoes:

  1. Cleaning: After runs, especially in dirty or wet conditions, gently wipe down the upper with a damp cloth and mild soap. Avoid harsh chemicals.
  2. Drying: Allow shoes to air dry naturally at room temperature. Do not place them in direct sunlight or use a heat source (like a dryer or radiator) as this can damage materials.
  3. Storage: Store shoes in a cool, dry place away from direct sunlight. Avoid crushing or distorting their shape.
  4. Insole Care: Remove insoles periodically to air them out and clean them separately if needed. This helps reduce odor.
  5. Avoid Washing Machine: Do not machine wash your shoes, as this can degrade the materials, cushioning, and adhesives.