The Crocs Tone Skylar Clog combines the comfort of Crocs' & the benefits of toning in a classic clog profile. The innovation lies in the three-part patent-pending Crocs Tone sole. Sculpted outsole creates a rocker-effect while you walk that initiates key muscle activity to provide toning benefits. Toning ring provides stability & support. Comfortable, lightweight Croslite material footbed provides all-day comfort. Signature Crocs' holes on vamp allow for breathability & Jibbitz charms personalization. Circulation nubs in the footbed deliver a massage-like feel. Super lightweight Croslite material provides all day comfort from heel to toe Setting the right tone.. Crocs Tone shoes are the newest offering in the crocs wellness footwear collection. This innovative shoe stimulates muscles to enhance muscle tone utilizing crocs profoundly comfortable croslitetm material. Whether out on town, working around the house or commuting, the crocs tone shoes areyour go-to comfort toning-shoe for any activity.