O'Neill Women's Swimwear and Clothing Size Guide. Enjoy an evening out with your tribe in this funky O'Neill® dress. Bold tribal print across bodice. Smocked panel at back. Side zip and hook closure. Gathered waistband creates proportion. Hemline hits at mid thigh. Top: 95% cotton, 5% elastane. Skirt: 100% viscose. Machine wash cold, tumble dry low. Imported. Measurements: Length: 26 in. Product measurements were taken using size 5.