Original Fit has generous space across the forefoot for toes to splay. Elastic gore for easy on & off. Removable, resilient foam insole with arch support for long-lasting cushioning. Higher-traction rubber outsole. Slip-on design for easy on and go. Contains recycled P.E.T. plastic to reduce the use of virgin materials. Eco Anti-Odor for natural, pesticide-free odor control.