Polyurethane and neoprene material to increase fat     burning;

 Hook and eye closure for easy tightness adjustment

 M-shaped seam fits butt well

Delicate and smooth seams reduce chafing and flatter body curves.

Leggings don't roll down as you're working out ,even if you're not at the gym you're guaranteed to sweat 

I would call this the evolution of shapewear