Big winter protection gets a new level of fit and performance with X Ultra Winter CS. Combining a light, supportive Advanced Chassis midsole with full waterproof protection and Thinsulate, your feet will stay warm and dry as the aggressive outsole lets you charge through wet, snowy and icy conditions with total confidence. It has the ice grip rubber outsole that offers impeccable traction on various surfaces. Lined with ClimaShield material, this shoe maintains a breathable internal environment. The OrthoLite footbed gently massages your foot.