WSI...The Winning Team! WSI has worked tirelessly to engineer performance gear with the highest quality and innovation through the use of superior material technology. WSI Mens Microtech Long Sleeve Form Fit Shirts feature: Lightweight 100% polyester stretch fabric Comfortable fabric Self fabric mock Raglan style long sleeves have an open hem Even hem Elastic loop with JOC sewn into back collar Colors: Black A* Blue A* Burnt Orange A* Cardinal A* Forest A* Gold A* Navy A*Orange A* Royal A* Scarlet A* Silver A* Vegas Gold A* White Sizes: Small A* Medium A* Large A* X-Large A* XX-Large WSI...Elite Undergear!