Costa's new Motu sunglasses take their name from the South Pacific, where the French Polynesians call the small coral islets motus. The bio-based resin frames feature a strong rectangular wrap shape, hypoallergenic rubberized temple tips and nose pads, and optical spring-hinge technology. Frame colors include blackout, matte retro tortoise, Realtree Xtra camo and matte black teak. Motu lenses are available in gray, copper, sunrise, blue mirror, green mirror and silver mirror, and in 580 glass or polycarbonate material. Prices range from $169 to $249.