Body Up Women's Hot Shoulder Tank 92% Nylon, 8% Spandex fully breathable, able to hold shape, UV resistant, DWR (Durable Water Repellent) treatment helps the moisture permeability (or breathability). The membranes in the fabric are both microporous and hydrophilic. They are too small to allow rainwater to penetrate but large enough to allow easy passage of water vapour therefore giving high breathability Machine wash, delicate cycle, cold; tumble dry, gentle cycle; do not bleach; do not soak; do not iron; do not dry clean; do not leave in contact with abrasive products or superficies; wash with like colors; do not wring. Made in the USA