Rothco Zipper Boot Laces Black Black. Simply lace Rothco's zipper boot in to your boot once and after that you'll be able to easily zip and unzip for quick and easy removal. WARNING: This product contains a chemical known to the State of California to cause cancer birth defects and other reproductive harm. Specifications for Rothco Zipper Boot Laces: Manufacturer: Rothco Age Group: Adults Color: Black Fabric/Material: PVC Leather Gender: Unisex Features of Rothco Zipper Boot Laces Material: Synthetic Leather Material Specs: PVC Leather Weather: All Weather Package Contents: Rothco Zipper Boot Laces Rothco Zipper Boot Laces 6195