Northern Hunting Mens Alvin Cotton ShirtNorthern Hunting Mens Alvin Cotton Shirt Alvin is made from cotton with a brushed inside for comfort and warmth. The shirt provides a high degree of freedom of movement and is ideal as an outer layer on warm days and a middle layer on cool days according to the layer on layer principle, offering adaptability and style for various climates and activities. To see more from Northern Hunting, visit the Northern Hunting Collection