- Breathable, waterproof XC4® construction with exclusive cushioning and temperature-regulating technology.
- Smart Degree Technology® provides effective temperature control—cooling when hot, warming when cold—ensuring ideal comfort all the time.
- TRUFOAM™ midsole offers lightweight comfort and revolutionary cushioning for a noticeably bouncier feel.
- Removable, triple-density footbed.
- Adjustable dual-width fit.
- Rubber sole