If you're riding in winter, the Pearl Izumi P.R.O. Softshell winter cycling tights have all the technology you need to stay warm. It's hard to get much more high tech without having robot tights or something. They use a thermo-regulating softshell fabric that you usually see on alpine gear to keep you warm, dry and comfortable. Just pair them with your favorite cycling shorts, and you're good to go on those super-cold, miserable days.
P.R.O. Softshell 3-layer stretch fabric uses Aluminum thermo-regulating technology to keep out water and wick away moisture
Excellent breathability keeps you from overheating
P.R.O. Thermal fabric provides plenty of warmth and insulation for the coldest days
Integrated stirrups keep the tights from twisting while riding
360 degree reflectivity helps keep you safe of dark roads