Geox Men's Smart45 Fashion Sneaker 95% Bovine Leather/5% Textile Imported Rubber sole GEOX Sizing Chart PLEASE USE GEOX FOOTWEAR SIZING CHART LINK FOR MOST ACCURATE SIZE CONVERSION. Slide into undeniable comfort with the U Smart 45 by Geox&reg;. Leather upper. Easy slip-on with goring. Leather lining. Patented Geox breathes&reg; system massages the foot with each and every step. Microholes in the flexible rubber outsole expel perspiration from the feet out of the shoes. Imported. Measurements: Weight: 15 oz Product measurements were taken using size 44 (US Men's 11), width M. Please note that measurements may vary by size.