Croft & Barrow Tummy Slimmer Swim Skirt Bottom Blue Size 22W 80% Nylon/20% Spandex-Lycra Croft & Barrow Tummy Slimmer Swim Skirt Bottom Blue Size 22W Elasticized top edge. Full coverage panty underneath. Discreet control panels slim your midsection. Shown to resist fibre breakage and fit loss 5X longer than others.