The Head Rattle sunglasses exudes effortless, cool vibes. This frame features an undersized, snug-fitting design ideal for narrow to medium faces. Crafted with handcrafted bioacetate frames, the sunglasses utilize biodegradable, plant-based materials. High clarity CR-39 lenses shield eyes with 100% UVA/UVB protection. The optical-grade stainless steel hardware alongside wire cores increase strength and ensure a superior fit.