Lightweight sunglasses by BOSS. Delivered in a Havana-patterned finish, these modern sunglasses are detailed with subtle BOSS branding and patterned rivets in a silver tone. 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.