Synthetic Imported Lightweight Rubber sole Mesh Uppers: Soft & Comfortable & Breathable. Mesh upper material make it possible that your feet free breath when you run or walk. It's soft and protective to cushion your every step. EVA Sole: Lightweight & Excellent bounce-back & Durability. Adapting to the ground for stability and working strategically to optimize the unique properties of every touch and push. US 6.5= EUR 39= 24.5 cm= 9.64” inch US 7.0= EUR 40= 25.0 cm= 9.84” inch US 8.0= EUR 41= 25.5 cm= 10.04” inch US 8.5= EUR 42= 26.0 cm= 10.23” inch US 9.5= EUR 43= 26.5 cm= 10.43” inch US 10 = EUR 44= 27.0 cm= 10.63” inch US 11 = EUR 45= 27.5 cm= 10.82” inch