Nike Valiant Mirror Performance Goggle * Super-soft, flexible design moves with you and contours to your face for a snug, water-tight fit *Curved lens enhances peripheral vision and clarity *Four nose bridge sizes allow you to choose your own comfortable fit *Curved back clip fits comfortably against your head *Nike Swift Track system lets you switch out your nose bridges quickly and easily *Lightweight, streamlined design helps give you a greater hydrodynamic edge