Ultra-flattering fold-over bikini bottoms that go with all your favorite tops. r We've got you covered for your warm weather getaways—mix and match these bottoms with our selection of versatile solid and patterned swim tops to create a variety of swimwear sets. Swim bottoms Fold-over waist detail Brief coverage 87% Nylon, 13% Spandex. Hand wash only, cold. No iron. No Bleach. Line dry, avoid direct sunlight.