The Adidas Questar Boost shoe's torsion bar allows the foot to move with its natural torsional movement.
Located through the sole of the foot, the torsion bar provides support for the foot and promotes natural movement. BOOST™ Endless energy: The new BOOST™ foam with its unique energy capsules features a magical combination of functional benefits: Unlike any other foam it gives a soft and springy cushioning and feels ‘alive’.
It energizes your running stride for more efficiency independent from the temperature and ensures maximum comfort.
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