Wire free Unwind from Curvy Kate. The Unwind bralette is designed for lazy days when you want comfort and flexibility without compromising on style. The soft elastic neckline offers an ease of fit, for a no bubble fit, with powermesh lined bottom cups for lift and shape. A deeper underband offers added support and lift. Back adjustable straps and seam free sides mean a flexible fit and maximum comfort. Main Body: 76% Polyamide 24% Elastane Excluding Trims. Hook and clasp change from 2 to 3 hooks at an F cup