Flexus Style: PORTOFINO Sport thong sandal with a perforated mesh strap upper and flexible EVA foam outsole is the perfect sandal for your summer activities. Upper: Synthetic Lining: Mesh Insole: Synthetic Outsole: TPR Closure: Slip-on Heel Height: 1 1/4"" Platform Height: 3/4"" Features: - Comfort, Elastic, Flexible Sole, Stretchable, Textured.