100% Cotton (Charcoal 50% Cotton 50% Polyester/ HGray 90% Cotton 10% Polyester) Made in the USA or Imported Stretchy closure Machine Wash Mens Heavyweight Thermal Long Sleeve Shirts Soft Crew Neck Big Tall Knits; Wintergear Compression Baselayer Long Sleeve Tops Double needle stitching on neck, sleeve ends, and bottom straight hem; Shoulder to shoulder taping. Waffle knit construction; Soft stretchy flexible material -100% Cotton (Charcoal 50% Cotton 50% Polyester/ HGray 90% Cotton 10% Polyester). Easy care and maintenance: Wash dark colors separately in cold water/ Do not bleach/ Tumble dry low. Please be advised the sizes may differ from size chart; may depend on actual body - Available in 10 different styles and S-5XL. Show more