ALALA Fly Back Tank in Black. - size XS (also in S) ALALA Fly Back Tank in Black. - size XS (also in S) 46.5% modal 46.5% pima cotton 7% spandex. Hand wash. Crossover back. ALAL-WM131. S17 TA16. Alala is a luxury women's activewear brand with a sophisticated downtown attitude designed for living life in the fast line. It strikes a balance between work, play, love and life, mixing function and fashion with a New York city flair.