Open-weave crochet knit with a semi-sheer, textured hand — expect visible gaps in the stitch, especially through the lattice sleeves and lower skirt, so a slip or coordinating swimwear underneath is essential for coverage. Hand wash cold by itself to protect the open stitches from snagging on zips or jewellery in the same wash, and lay flat to dry on a towel — the crochet will stretch out of shape on a hanger or in a dryer, and a warm iron will flatten the texture, so skip it entirely. With gentle care the stitch keeps its spring wash after wash; the main thing to watch is snagging, so check rings and bracelet clasps before you put it on.