Enza Costa Supima Cotton Essential Strappy Tank in Black. Size L (also in M, XL, XS). 100% pima cotton. Made in USA. Machine wash. Pull-on styling. Built-in shelf bra. Lightweight jersey fabric. ENZA-WS776. ISL3357. Designed to transform everyday basics into luxury essentials, Enza Costa's unique brand of minimalist, modern clothing is crafted with featherweight blends of sumptuous supima cotton, cashmere and silk.