Defy Sunglasses Size:OS S9 marks the future of

S9 marks the future of race-tuned comfort

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Our MAG lens-change tech lets you swap lenses to match the light conditions with ease

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Defy Sunglasses Size:OS S9 marks the future ofWhether you're running, rolling or sliding, a crisp view of the terrain translates to full speed ahead fun. The Smith Defy sunglasses double down with a lightweight, rimless design and terrain defining ChromaPop optics for unobstructed, high contrast vision. Whether you're on the move in the hills or simply taking in the view from the back deck, an interchangeable lens lets you match the light conditions.