NEOS" STABILicers line uses 32 replaceable studs per pair embedded in the sole to help maintain traction in the worst winter conditions and helps lower the risk for slips and falls on and off the job site. Comfortable for long wear, STABILicers are a smart solution for warmth and traction control. NEOS STABILicers outsole. 2.5 mil polyurethane internal bootie with waterproof membrane. Optional 10-mm removable EVA insole sold separately. Cleat wrench included with each pair. Available in black color and medium size.