Stella McCartney's 'Julia' track pants are ideal for days when you want to be comfortable but still look put together. Cut from royal-blue crepe, this pair has a flexible waistband and knitted cuffs.<br><br>This product was created using Considered Materials. Find out more about NET SUSTAIN <a href="https://www.net-a-porter.com/en-gb/campaigns/net-sustain">here.</a>