Hanes X-Temp Tagless T-Shirts are designed to adapt to your temperature and activity. They feature Performance Cool from work to workout and are ultra lightweight. TWO 2-Pack Hanes Men's X-Temp Performance Cool FreshIQ T-Shirts, Gray, Large Product Details: 100% Polyester Imported Machine Wash X-Temp technology is designed to adapt to your body temperature and activity to keep you cool and dry for all day comfort Tri-blend performance fabric feels amazingly soft and light Tag-free for itch-free comfort Slightly tapered fit updates your casual look