UA Tech™ is our original go-to training gear: loose, light, and it keeps you cool. It's everything you need. UA Tech™ fabric is quick-drying, ultra-soft & has a more natural feel. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. Inner locker loop for easy hang up. Dropped hem for enhanced coverage. Thumbholes & wrapped seams keep sleeves secure. 100% polyester