Secure Bond Between Upper and Outsole for Vulcanized Comfort. Premium Upper Vintage Inspired Yarn Dyed Ikat Pattern. 360° Lacing System with Rust Proof Eyelets for Secure Fit. Wave Comfort System Featuring a PU Removable Molded Footbed for a Lighter Weight, Increased Comfort and Integral Arch Support. Non-Marking Rubber Outsole with Wave-Siping™ for Ultimate Wet/Dry Traction.