The Pk maX Quarter Zip Training Top offers Full spectrum performance for the entire spectrum lifestyle - trusted by professional athletes and the U.S. Marine Corps! Our patented fabric is engineered for maximum comfort and airflow with inherent antimicrobial and moisture-wicking technology to keep you looking and feeling fresh without harsh chemicals or finishing agents. Lightweight and durable, this shirt moves and stretches with your body without pollutive elastics so you can wear the revolution in comfortable confidence. The Pk maX Quarter Zip Training Top Features: Zipper flap Modern fit It doesn't cling or stick to the skin Smooth seams don't chafe or bulge Relaxed fit for maximum comfort Easy tear-away tag is ready for any customization Material: 100% microfiber polyester Pk maX™ interlock knit Easy Care: Machine wash, tumble dry low, no softener. Safe from shrinkage, pilling, and fading.