Adidas - UltraBOOST ST
When you're building distance or pushing for speed, these shoes propel you forward with a plush boost™ midsole that returns the force from each footstrike. A lightweight, adaptive adidas Primeknit upper and ergonomic heel give you support right where you need it. The limited-edition shoes have a STRETCHWEB outsole that provides a smooth, stable heel-to-toe transition.
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