The i-Run team says
Technologies
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TrailTack
Outer sole that provides excellent grip on all surfaces and better traction when going uphill and downhill.
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Ballisitic Rock Shield
Protection against stone throwing and debris.
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DNA Flash
Material predominantly composed of EVA in which nitrogen is infused. This allows for a perfect blend of lightness, rebound, and cushioning. It is specially designed to meet the needs of speed-oriented shoes.
