Gorewear M Base Layer Long Sleeve Shirt The Gorewear M Base Layer Shirt is a close fitting base layer with excellent moisture management. Features Flatlock seams High-stretch material enables close fit with maximum comfort Highly moisture wicking technology Minimised seams for less chafing Next-to-skin comfort Quick drying material Thin and soft fabric | Gore Wear | Gorewear M Base Layer Shirt Men's | Size Medium/large In Black