Centrino Formal Material: Synthetic Material. These Shoes Are Made Up Of High Quality Synthetic Material Stays Strong And Durable - Meaning The Shoes Will Last Much Longer. Lifestyle: Formal / Business. Pair These Stylish Centrino Shoes With Your Shirt Dry Shoes At Room Temperature Only. Excessive Exposure To Sun, Will Cause The Leather To Shrink, Wrinkle, Harden, Dry, And Crack. Use Shoe Bags To Prevent Any Stains Or Mildew; Dust Any Dry Dirt From The Surface Using A Clean Cloth. For Mens.