These knickers are made from a stretchy cotton blend for a soft and comfy feeling that'll last all day long, with a lace trim for a feminine finish. Our four-piece pack is available in a range of styles and colours - all you need to do is choose your favourite. Machine washable. Knickers Lt Grey Main 88% Cotton, 7% Viscose, 5% LYCRA XTRA LIFE elastane. Gusset 100% Cotton. Knickers Pink and 2 x Knickers Dark Grey & Wine Main 57% Cotton, 38% Polyester, 5% LYCRA XTRA LIFE elastane. Gusset 100% Cotton.