The future is here and it looks cooler with the new Tech Liteforce RB4231. Made from a unique thermoplastic biomaterial forged in extreme heat, Liteforce boasts unprecedented lightness and strength. It’s the first of its kind in eyewear history. Born from the same advanced properties that is used in modern space-age technology and medical implants, these glasses are ultra-comfortable and flexible. Featuring top quality materials, the square shaped lenses comes in a variety of colors, including mirror, gradient and classic. The RB4231 also includes a polarized version for perfect glare-free vision. The fine shaped temples offer a laser engraved logo on metal injection molded hinges and iconic rivets. The Liteforce turns high-tech into high style.