Under Armour Men's Ua Tech(tm) 1/4 Zip 100% Polyester Imported Hang Dry Signature Moisture Transport System - The fabric actively works to wick sweat away and out of the garment, keeping you dry and cool. UA Tech Fabric - Breathability encourages critical airflow in high-heat areas. Quarter Zip - Provides ventilation when needed and also allows for easy on-and-off quality. Anti-Odour - The garment is made with an anti-microbial treatment to help keep you fresh. Flatlock Seams - Cleaner stitching technique helps to reduce irritation.