Pima cotton is a variety of cotton from the valley of Piura northern Peru, due to its adequate microclimate and good land conditions, the cotton produced in this region is consider the finest, silkiest, most brilliant, soft and durable, the "Silk of the Andes" which first sample dates of 2500 BC is still collected by hand.
Pima cotton has a length of (mm) 38.10 to 41.27 ; a resistance (Pressley) from 92.5 to 100, fineness (Micronaire) of 3.3 to 4.00 and a creamy white color. This is the best cotton used for good quality garments.