This Men's FJ FootJoy Thermal Base Layer in size Medium is a white mock turtleneck shirt designed for activewear. Made from a blend of polyester and spandex, this pullover shirt features a logo accent, long sleeves, and mild compression for a comfortable fit. Ideal for various activities such as gym training, golf, hunting, and more, this thermal base layer is suitable for all seasons and can be machine washed for easy care. The classic solid color and regular fit make it a versatile choice for men looking for quality sportswear.