What's the big idea? That the Women's Sketchers Big Idea are innovative, athletic-looking tennis shoes great for strolling around in. These sneaks have a bungee laced casual slip on sneaker design that allows for a customized fit that your feet will appreciate. The cushioned comfort insole is also removable, because let's face it, only you can be the judge of how much stability your feet need. They also have a flexible rubber traction outsole for a better grip and a shock absorbing lightweight midsole that makes for a friction-less stride that is more natural and easy-going on your feet.