Black bio-acetate optical frames with metal clip-on sun lenses

Innovative optical frames by BOSS. Detailed with patterned gold-tone rivets and an internal worked core, these optical frames are crafted in black and delivered with metal clip-on sun lenses for a contemporary look. Frames are provided with transparent lenses for fitting with optical lenses by your optician. For our RESPONSIBLE products, we always use at least 60% more sustainable raw materials. The “Style & Expression” line includes responsible sunglasses and optical frames, designed with the planet in mind. The frames of these styles include 68% bio-based cellulose acetate, consisting of 43% wood pulp & 25% natural plasticizers, while featuring lenses made with at least 40% bio-based recyclable polyamide gained from castor oil.