The Performance Polo Shirt, made of 100% polyester, has a slight sheen.5.11's included all the of their cotton Tactical Polo including mic clips, fully gusseted sleeves to give you full range of motion even when wearing your ballistic vest and two pen pockets on the left sleeve. The Performance Polo shirt fabric is moisture wicking to wick moisture away from your body. The shirt is antimicrobial which prevents the growth of odor causing bacteria. Made with 5.11's proprietary SmartWeave fabric, the Performance Polo Shirt resists snags and wrinkles. You can attach you radio microphone to any of the three mic clips on the shoulders and chest placket. The synthetic fabric of the Performance Polo Shirts resists stains, tears and snags. The no roll collar has flexible stays which keep the collars from rolling at the edges. The pen pockets are stitched.5.11 Tactical Series uses only melamine buttons on the Performance Polo Shirt. Imported. eCop! Thanks you for your business. MFG MPN: 71049 UPC: 844802106719 MPN: 5-71049019XL