Interchangeable Top Shoes - BASE ONLYWe didn't name this product The Classic Comfort Sole for nothing. It's designed to provide you with tons of comfort, classic style, and durability that lasts, and works with any of our Solemate styles. Fit: True to size. Whole sizes only. We recommend sizing up if you would normally wear a half size. Product Details: 4mm eva foam footbed, synthetic leather, 2. 5 inch heel, 3 4 inch platform, textured non slip rubber pads on bottom of Comfort Sole.