SS Polo in Giza Cotton with Contrast Collar. The garment is made of Giza cotton jersey. This precious raw material, also known as the queen of Egyptian cottons, grown in very restricted areas in the Nile delta, is the finest micron-aire fiber in the world (2.8), with very high resistance, extraordinary brilliance and softness . The limited quantity of fiber and a high cost of sowing and cultivation preserve the quality of an exclusive product. The fibers of this cotton, extraordinarily long and silky, are characterized by high strength and extraordinary softness.GOTS Certified Organic.