From Dr. Scholl's, the Calm Clogs feature: Fabric upper Microfiber partially made from recycled plastic bottles Grommet hardware Slip on fit for easy on/off Fabric lining partially made from recycled plastic bottles; partially recycled lining, toe box, and heel counter Anti-microbial, anti-odor insole technology with anatomical cushioning, comfort, & arch support Insoles partially crafted with 15% cushy, algae-infused BLOOM® foam Soft, lightweight outsole with built in flex grooves Approx. 0.75" grippy TPR sport sole Imported. Styling Notes: This style is shipped in an environmentally preferred 1-piece box made with primarily recycled materials that can be recycled & soy-based inks.