pi is the ratio of the circumference of a circle to its diameter, approximately 22 divided by 7, or about 3.14159.
It dyes without affinity for fibre and are held to fabric with resins. They are available in almost any color used extensively in the jeans-wear industry by fabric dyers who want to create fabrics that fade. Read more..
Pima is cotton grown in Peru and America where the fibre length is long, luxurious and beautiful quality of cotton, the best available after Sea Island and Egyptian cotton fibre.
Pineapple fibre is a fruit and belong in a group of natural fibre, see overview of different fibres from man-made to natural fibres. Piña is a strong white or creamy cobweb-like fiber drawn from tall leaves of an indigenous pineapple plant. The fiber is hand stripped from the leaves in lengths of about 18 inches to 3 feet, sun-bleached, hand knotted and spun.
Piqué is a heavy cotton material woven in corded or figured effects. The goods are used for such purposes as ladies’ tailor-made suits, vesting’s, shirt fronts, cravats, bedspreads, and the like. It was originally woven in diamond-shaped designs to imitate quilting. The name is French for quilting. Read more..