Enza Costa Essential Sleeveless U in White. - size L (also in XS) Enza Costa Essential Sleeveless U in White. - size L (also in XS) 100% cotton. Made in USA. Machine wash. Scoop neckline. Jersey fabric. ENZA-WS970. ISL3340. 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. Shop the latest in fashion from Enza Costa