The Relentless Crew is a top choice for those who crave comfortable performance gear

cross country and mountain running

65% RECYCLED NYLON

Phylon foam in the heel provides lightweight cushioning

Ankle-crease reduction channels

Women's Mizuno Wave Horizon 6 US Size:6.5 The Relentless Crew is aRun to the horizon. Experience the best floating experience with seamlessly integrated stability. MIZUNO ENERZY Core makes the Wave Horizon 6 even softer and more responsive, and a lightweight Woven upper enhances the fit and comfort. An asymmetrical design to Mizuno' signature Foam Wave, a medial rubber side wall and a wider outsole design enhance stability without sacrificing cushioning.