When out on the water, the thing you want to least worry about issands, gravel, and rocksgetting into your boots - causing abrasion as well as discomfort. Arm your boots with these well-fitting gravel guards. Featuringa nonslip, contoured design that forms a surefire seal, a loop wrap with VELCROBrand fasteners closure, and abrasion-resistant-textured nylon jersey on the underside of the Gravel Guard for enhanced durability. One size fits most.