The everyday tank made from 100% Supima Cotton. Designed with a classy square neckline to flatter your figure on every ocassion. Pima cotton has a supportive stretch that will last forever and you'll love it more every single wear. True to size. 0/2=Small | 4-6-Medium | 8-10-Large Know what your wearing Not all cottons are created equal. Supima cotton is a superior type of cotton grown in the USA. It represents less than 1% of cotton grown in the world. What makes Supima unique to other cottons is the extra-long staple fiber that gives the cotton its premium properties: Strength, Softness and Color retention.