The LiteForce RB4213 turns high tech into high style. Made from a unique thermoplastic bio-material 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 are used in modern space technology and medical implants, for a product that is both ultra comfortable and super sturdy. The future's here, and it looks good.