Super light weight IMEVA (injected foam) creates added comfort and flexibility. Mid-sole floats in case the shoe goes overboard without you. Engineered for breathability with air mesh toe box, tongue and heal. Collapsible heel conveniently allows for easy entry for all the lazy shoe wearers out there. Bungie creates a slip-on form fitting upper that you never have to tie. Ribbed insole designed to massage your underfoot. Warrior Coxswain Men's Shoes - Black/Gum Rubber, 4.0 MS1320980 MS1320980 889116173873