ELEVATED STYLE Made with minimal materials and thoughtful design, the Nike Horizon Ascent S Sunglasses feature a lightweight frame for a clean look that you can wear everywhere. Benefits: 4-base flat lens and slim profile provide everyday coverage Durable, no-screw hinges stay securely open and closed Product Details: Small fit frame. Injected frame material is derived from at least 45% castor bean oil. Lenses are made of 44% plant-based material.