GYMSHARK FLEX LEGGINS, XS Mid rise fit - Seamless contouring shading - Sweat-wicking fabric - Elastic waistband - Jacquard logo to waistband - 57% Polyamide, 36% Polyester, 7% Elastane Embrace your most authentic self in the Flex Leggings. Boasting a contrast elastic waistband, figure flattering contouring and a range of shades. They will make it easy for you to bring, and look, your very best, whatever it is you choose to do in them.