Carhartt Long Sleeve Charter Shirt in Ammonite. This robust piece from Carhartt is constructed with 100% Organic Midweight Cotton, resulting in a softer feel while still being very dependable. Durability and functionality are built into this piece, featuring double-layers elbows and two front pockets, this shirt is designed for everyday use. Woven Carhartt detailing compliments the clean look to complete the design.