UA FLOW Cushioning: Unparalleled comfort, traction on contact with the ground - no squeaks.Breathable upper: Lightweight mesh material.BOA FIT SYSTEM: Individual adjustment, one click at a time, with a 12-point locking system.ISO-CHILL INNER PADDING: Heel-to-toe internal foam padding with Iso-Chill technology that's cool to the touch.Machine wash: We've made it simple - put them in the washing machine to keep them fresh and clean.CONVERTIBLE HEEL: Go straight from training to recovery mode.Offset: 2 mm.