New York-based <a href=" http://www.selfridges.com/cat/theory/" style="text-decoration: none"><font color="black"> Theory</font></a>’s <b>Adbelle leggings</b> are a solid investment that can be easily dressed up or down. Made with high stretch and shape retention, this skinny high-rise pair maintains a minimalist and clean-lined look thanks to its easy-on elasticated waist and no fussy details. Slip them on with a shirt and tailored blazer to mark them out as workweek appropriate, and ground the silhouette with pointed courts.