Zoot Sports Men's Ultra 2.0 CRX Tights 70% polyester/30% spandex with SilverTECH Imported NEW Lighter weight advanced polyester transports moisture away from the body to the garments surface, spreading quickly and drying faste NEW Lighter weight advanced polyester transports moisture away from the body to the garments surface, spreading quickly and drying faste|CRx = improved blood circulation|BIOwrap = targeted muscle stabilization|18-30mmHg compression level|