Classic eyewear design infused with modern tech. GUNNAR Cypher prescription sunglasses are perfect for both men and women. Rx Cypher sunglasses merge well-defined handcrafted materials with cutting-edge stainless steel. Formulated with precision designed metal hinges and ultra-thin temples to create stability, and comfort for long-term wear. Added, The Cypher is the perfect asset for performing all your complex decryptions.