What makes them particularly appealing is the fact that they contain a good dose of elastane to make them really hardwearing! Wide waistband to fit your bump Contains elastane for run-resistance & a perfect fit throughout your pregnancy 20 denier. WHAT YOU NEED TO KNOWLYCRA® Fusion is an innovative technology that provides tights with unrivalled run-resistance preventing snags from turning into unsightly ladders. Order the same size you were before your pregnancy Our Colline maternity tights take your new shape into account! Still unsure of your size? Take a look at our size guide! Machine washable recommended at 30°. 69% polyamide 31% Lycra® Fusion elastane.