- 7 For All Mankind Ladies? ?The Skinny? Slim Illusion Second Skin Jeans - Black SWT2550BL ?The Skinny? is 7 For All Mankind?s signature skinny jean that incorporates Slim Illusion Second Skin technology to sculpt the body, offering a super slim silhouette. With amazing recovery and stretch, the fabric fits close to the skin and features minimal detailing to give a super flattering look which offers great versatility. The zip fly jean has a flattering, skinny fit from top to bottom with a straight rise and a shorter inseam for a clean look. - 72% Cotton, 25% Polyester, 3% Elastane - Machine washable