The i-Run team says
Technologies
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UA Warp
UA Warp is a revolutionary upper that perfectly conforms to the human form to boost performance. It features support bands that act like seat belts on the foot, placed precisely where our biomechanists have found them most useful for a runner. The bands tighten when you need them and loosen when you don't, thereby eliminating common pressure points associated with continuous materials.
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UA Flow
UA Flow is a unique foam compound that is responsive, adhesive, and supportive, eliminating the need for a rubber outsole, allowing Under Armour to create innovative high-traction running shoes.
