Molded-EVA Midsole DryVent membrane Suede Logo Patch And Rand Padded Tongue For Out-Of-The-Box Comfort SURFACE CTRL rubber. This boot is made with a suede material and features a DryVent membrane for waterproofing. The midsole is molded EVA for comfort, and it includes a suede logo patch and rand for durability. Additionally, it has a padded tongue for out-of-the-box comfort and SURFACE CTRL rubber for enhanced grip.