ULTRA-EFFECTIVE Blue Light Blocking: Blocks 99.9+% of light in the critical 450-510nm range, the most disruptive wavelength of light at night. SPORTS FRAMES - Durable TR90 thermoplastic frames offer a lightweight, flexible, and comfortable fit suitable for a wide range of head sizes and shapes. WRAPAROUND FIT - Keeps out peripheral light, ensuring no blue light sneaks in around the sides or top of the lenses. SAFELY USE ELCTRONIC DEVICES: Safely use computers, tablets, and phones after dark without disrupting your sleep quality. TRUSTED BY HIGH PERFORMERS: Top-level entrepreneurs and athletes rely on blue blocking glasses to enhance their sleep and overall performance.