The insole of Track 25 is removable and features ECCO\'s Comfort Fibre System Technology® to keep your feet fresh. The PU midsole and TPU outer sole match flexibility with stability and chunky multi-direction tread pattern is as much at home climbing hills as it is on city streets. Matching chunky round laces fasten through tough metal D-rings with four hook eyelets at the ankle. The toe and heel of the boot have raised sole portions to prevent scuffing. GORE-TEX waterproof and breathable membrane to keep your feet dry and comfortable Product Code: 83181405244