These bold oversized aviator sunglasses are meticulously crafted from Eastman Acetate Renew™, a blend of biobased plastics made from sustainably sourced wood pulp and materials recycled from industrial processes. The temples feature 7-joint hinges and metal wire visible in their core.The lenses are also made from eco-friendly materials. Eastman Tritan Renew Frame: transparent gradient dark red/Lenses: brown