• Injection Construction
• Patent Pending Genuine Grip Slip-Resistant Rubber Outsole with Superior Grip
• "Walking on Air" Removable Polyurethane Footbed
• SilverPlus® treatment for inactivating sulfur that causes bacteria, obtaining hygiene & freshness
• Composite EVA Injection Upper
• Oil Resistant
Whole Size Only: 4 - 14 ( If you need a half size there is a removable, grey PU insole that can be taken out so adjust the size. Example: Size 10.5 should order a size 10 and take out the Grey insole.)