The new lightweight, fully-cushioned training and racing shoe with Helion, the perfect shoe for runners looking for comfort and speed.

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Technology
Ready, Set, Flow
18 adaptive Cloud elements and Helion™ super foam combine with the re-engineered Speedboard™ to turn impact into acceleration. The curved heel unit means better hold, durability and comfort. Strategic taping and a new lacing configuration offer sure-footed freedom and support for high-speed goals.

Materials
Lightweight comfort
The Swiss-engineered mesh upper is primed for race pace. Lightweight and reinforced to support tired feet, with zoned ventilation to let air flow through. An elastic strap keeps laces out of the way, and a new rubber compound in an advanced traction pattern offers superior grip on wet roads.

Design
The New Shortcut to Runner's High
The second-generation of the podium-topping, record-breaking shoe loved by elite athletes. Now refined with their input and enhanced with Helion™ super foam for the smoothest of rides, softest of landings and most explosive of take offs. More comfort, more kick, more speed.