Team Challenge Size:38 Its distortion-free polycarbonate lenses are

Its distortion-free polycarbonate lenses are spherically shaped with an extra durable anti-scratch and anti-fog treatment

70mm Key Properties: Durability

Swing: Top

narrower faces

ergonomically shaped ear hooks and a nickel-titanium alloy headband

Team Challenge Size:38 Its distortion-free polycarbonate lenses arePart of the arena Team Line collection inspired by our swim champions and designed for the major swimming federations, the arena Team Women's Challenge Back One piece is perfect for intensive and competitive swimmers. It's made from an extremely chlorine resistant swim fabric that protects skin from the sun, is quick to dry and is super durable. The open back in combination with the thin straps and high cut leg provide maximum freedom of movement,