Feather 4 Arrow Let's Kick It One Piece. Infant one piece made with the 100% organic cotton has gone through a special garment wash for a worn-in, soft feel. This awesome one piece has an eco-friendly water-base screen print, F4A icon flag label, an envelope neck for easy on-and-off, and 3 snap closure along the bottom. Designed with sustainability in mind. Made from natural organic fibers with eco-friendly inks from a fair trade factory.