✔️Gravel Guards prevent sand from getting into your wading boots while fishing. Works well in both salt and fresh water. ✔️The material allows the gravel guard to wrap securely around your leg and boot preventing fine sand and gravel from entering your wading boots. ✔️Gravel guards will remain intact over most any boot. The hook and loopclosing system is infinitely adjustable. They're made for the left and right feet separately. To avoid riding up, they can be firmly attached to the laces your wading shoes. Wrap-around gravel guards keep gravel and debris out of wading boots. Hook and loop design is secure but easy to adjust.