Shop Rayban Lite Force. The Ray-Ban ® Liteforce Tech Wayfarer ®, RB4195 provides the outstanding combination of innovative material with the unmistakable iconic wayfarer design. Liteforce is constructed of high performance thermoplastic, which is used in various high-tech industries. First of its kind in the eyewear history, this cutting-edge material provides superior lightness, durability, flexibility, and comfort while providing an alternative to metals in terms of design and performance. It features a micro-fused metal logo plaque, ensuring a smooth surface. Available in a wide range of colors and polar options.