ExOfficio Women's Give-n-Go Tank Top 94% Nylon, 6% Lycra Spandex Imported 1/4 zip front built into a hexagonal-quilted body, with fledixble jersey arms. Antimicrobial treatment reduces odor in fabric Comfortable and durable fabric wont stretch out Easy-care so you only need two for any trip Diamond-weave mesh fabric allows airflow, keeping you cool Easy-care so you only need two for any trip Comfortable and durable fabric won't stretch out