- Our most-advanced XC4® yet!
- Exclusive breathable, waterproof, construction and materials.
- Axis Chassis™ System offers optimal support and stability.
- Smart Degree Technology™ temperature-regulating interior polymers activate at both hot and cold temperatures, so your feet feel just-right all day.
- XC Foam™ delivers superior cushioning, lightweight comfort.
- Adjustable dual-width fit.
- Removable EVA footbed accommodates your own orthotic or wide foot.