PERFECT FOR SALT WATER: Made with non-corrosive materials, FreeSalt is the ideal wading boot for coastal and brackish-water environments. UNMATCHED DURABILITY: Burly 100% synthetic upper combined with a scratch rubber tip and heel provide great durability season after season VERSATILITY AND COMFORT: These rugged saltwater boots are designed to be worn with waders (size up one size from your street shoe size) and have a dual EVA midsole providing cushioning and support. FUNCTIONAL DESIGN: You are sure to appreciate the non-marking outsole for in and out of boats, full neoprene lining for waterproof qualities and easy on and off, as well as the TPU sheet for cleat retention. WARRANTY - If your SIMMS product fails due to a defect in workmanship or materials, SIMMS will repair or replace your gear and get you back on the water as soon as possible. If your SIMMS product fails due to excessive wear, accidents and breakdown of materials over extended time, SIMMS will make every effort to repair your gear for a reasonable fee