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Ideal use: Road running
Gait type: Neutral
Continental Rubber: a high performance compound from the world leading tyre supplier provides superior grip in all weather and ground conditions
PRIMEBLUE: a high performance recycled material made in part with Parley Ocean Plastic
BOOST: temperature-independent cushioning provides maximum comfort and energy return in all climates.
STRETCHWEB with Continental: rubber outsole with superior grip that adapts to every runner's footstrike by moving in harmony with BOOST to provide a smoother and more flexible ride
Supportive heel counter
Midsole drop: 10 mm (heel 30.5 mm / forefoot 20.5 mm)
The Men's Ultraboost 21 running shoes are designed for comfort and responsiveness. They have a Linear Energy Push system that increases forefoot and midfoot stiffness for an extra energy push in each step. Responsive Boost cushioning returns energy to your stride. These shoes are made with Primeblue, a high-performance recycled material containing Parley Ocean Plastic and a minimum of 90% recycled material in total.