Most compression garments on the market today are designed for athletes that wear it for only a few hours at a time. The Law Enforcement (L.E.) Tight Crew proves itself superior to the competition with a seamless sleeve construction and mesh gusset under the arm. These key innovative features offer you an entire workday's worth of increased comfort, mobility, and breathability. Imported. Features: - 80% polyester, 20% spandex - Dri-X-treme wicking for quick drying and increased comfort - Mesh fabric under arms for highest breathability - Heat transfer label at back neck eliminates tag irritation - Raglan "saddle shoulder" construction - Anti-microbial - Anti-static _____________________ Men's Sizing Chart: Small: Collar - 14.5", Chest - 36", Sleeve Length - N/A, Waist - 28" Medium: Collar - 15.5", Chest - 40", Sleeve Length - 34.5", Waist - 30-32" Large: Collar - 16.5", Chest - 44", Sleeve Length - 35.5", Waist - 34-36" XL: Collar - 17.5", Chest - 48", Sleeve Length - 36.5", Waist - 38-40" 2XL: Collar - 18.5", Chest - 52", Sleeve Length - 37.5", Waist - 42-44" 3XL: Collar - 19.5", Chest - 54", Sleeve Length - 38.5", Waist - 46-48"