Simms' guide-quality G4 Pro wading boot provides the highest standard of fit, performance, and durabilityFeatures TPU overlays for added durability Threaded, non-corrosive receptacles for easy insertion and removal of cleats Molded protective toe cap Low profile lace loops to reduce line-catch SpecsFABRIC TECH: Outsole- Vibram® Idrogrip rubber; Upper- highly abrasion-resistant mesh