Castelli Slicker Pull-On Shoecover Small BlackThe Castelli Slicker Pull-On is a Windproof, Waterproof, Lightweight, Stretchable shoe Cover. The fabric used is not only waterproof, but it’s also able to stretch for easy on and off without the need for a zipper. The majority of the boot also has sealed seams, further improving its waterproofing on top of the lack of a zipper.8055688934828