London's Chicest Personal Trainers Confirm These Are the Best Leggings

There are so many gym leggings out there that it can be tricky to know which ones are actually worth investing in. If you're looking to upgrade your gym kit, we've turned to some of the most stylist trainers we know from across London's Frame studios to find out the stretchy pants they genuinely work out in every single day. Plus, we asked whether more expensive exercise leggings really do make a difference to your training. 

Scroll below to see what seven of Frame's Pilates, yoga, fitness and dance instructors wear to work out every single day.