Body Up Women's Milano Open Back Top nylon 90% nylon, 10% spandex Fully breathable, excellent rate of wetness absorption, quick drying, uv protection, provides balance between water retention and quickly drying therefore controling thermal exchange. Uses intelligent and functional thin air textured threads, offers microorganism control through the thread DNA modification 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 USA