Low Water Absorption Materials are Quick Drying Dual-Density Compression Molded EVA Midsole Offers Shock Absorbtion & Stability AEGIS™ Microbe Shield Protects Against Bacteria that Cause Odor Removable Full-Length Molded Footbed Offers All Day, Underfoot Comfort HRC® Forefoot Cushioning Through EVA Compound Provides Additional Cushioning GRID® Patented Technology Provides Superior Cushioning and Stability Arch Lock Offers Increased Stability and Arch Support New Hydro-Grip™ Rubber Traction Compound is the Ultimate Performance Traction Outsole Compound Non-marking Rubber Outsole with Quadro-Grip Wave-Siping™ for Ultimate Dry / Wet Traction & Added Stability