The Race Face seat covers are a quick fix barrier between your muddy clothes and your car’s nice interior. Comprised of 96% nylon, 4% spandex fiber, so it can stand up to some serious abuse. Even if you don't keep them on all the time, buy a set to protect your car's interior after romps in the mud! They fold down to a manageable size to stash in your trunk. A water proof membrane and DWR finish ensure your seat stays dry.