Defy Sunglasses spare lens but completely unique

but completely unique

an adjustable and removable sternum strap

ergonomic vest-style shoulder straps with elasticated compression system

Fortius™ DW 2

especially when reaching overhead

Defy Sunglasses spare lens but completely uniqueWhether 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.