Base layer or only layer, these shirts will replace all your other t-shirts. HydroDuct wicks sweat to keep you bone-dry, reduces pilling, giving the fabric a cotton-like feel and increasing the overall durability. Overlock seam construction. Burgandy (BUR), Gun Metal Blue (GMB), Grey (HEA), Khaki (KHA), Olive (OLV). Sizes: M(38-40), L(42-44), XL(46-48), XXL(50-52). USA.