Add traction to your Caddis wading boots with EcoSmart II Grip soles using their Sure Grip Studs. Steel studs are corrosion-resistant for safe use in saltwater. Studs in the front of your boots improve traction as youre trudging through moving water. Studs in the instep grip debris like logs. Heel studs hold you in a back-side current. Includes 25 studs and 25 Phillips-head screws. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Traction Devices.