A decade into the line, Boost cushioning remains the standard other daily trainers chase.
8.3
KADS SCORE
Quick Take
The Ultraboost line defined the plush daily trainer era, and the 5X keeps the formula current with Light Boost foam and a refined upper. It is supremely comfortable for easy miles, long walks and travel days. It is not the lightest or fastest option, but for pure underfoot comfort it remains a benchmark.
What We Like
- Boost midsole delivers famously soft, responsive cushioning
- Comfortable right out of the box with no break in
- Knit style upper hugs the foot without pressure points
- Continental rubber outsole grips well in wet conditions
- Versatile enough for running, gym days and travel
What We Don’t Like
- Heavy compared with modern daily trainers
- Premium price when newer foam rivals cost less
- Upper can run warm in summer heat
- Not much stability for overpronators
Product Details
Full Review
Quality
The 5X pairs Light Boost foam with a textile and synthetic upper and a Torsion System for midfoot integrity. The Continental rubber outsole is a genuine durability advantage over the blown rubber most trainers use. Build quality is consistently high: clean glue lines, a well finished heel counter and an upper that holds its shape. It is a premium feeling shoe even before you run in it.
Value
At $180 the Ultraboost 5X is not cheap, and it frequently goes on sale, so patient buyers rarely pay full price. Against rivals like the Nike Pegasus or New Balance 1080 it holds its own on comfort while trailing on weight and energy return. If plush cushioning is your top priority, it is still worth the money; if you want speed, look elsewhere.
Who Should Buy It
Buy it if you want maximum comfort for daily miles, long shifts on your feet or travel.
Who Should Skip It
Skip it if you want a light, fast trainer or need real stability support.
FINAL VERDICT
The Ultraboost 5X does one thing better than almost anything: it makes your feet happy for hours. Heavier and pricier than the newest super trainers, but unmatched for easy comfort. Buy it for the cushioning, not the stopwatch.
8.3 / 10
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