ResMed Swift FX For Her Mask SystemLess mask. More you. Drawing on the strengths of the Swift LT for Her, the Swift FX for Her is even lighter, softer and more streamlined than ever, so you can look and feel more like yourself. Its gentle fit and size range is customized to suit women. A choice of pink or light blue, and gray blackstrap lets you personalize your mask to fit your style. Soft wraps enhance comfort at the cheeks. Available in gray and pink to coordinate with blackstrap.