These classics come with a newly designed platform sole which provide you with added iconic Crocs comfort. They also have a pivorting back strap which helps to provide you with a secure fith. These clogs are lightweight and flexible providing you with comfort even when worn all day., Pivoting back strap for a secure fit., Same Classic Clog upper., Customizable with Jibbitz charms on the upper and backstrap., Iconic Crocs Comfort: Lightweight. Flexible. 360-degree comfort.