The Tri X-Speed IV is an updated version of the original standard fit, entry level triathlon shoe with the addition of expandable X-Comfort Zones that stretch to reduce foot numbness.
Breathable and ventilated insole
Double hook-and-loop straps
Expandable X-Comfort Zone stretches up to 5 mm to provide comfort and to prevent numbness
HRS-80 single-layer for good heel stability
Patented injected ?berglass/nylon outsole
Special puller speeds up your transitions
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