Detachable backstrap and added extra backstrap (yellow), so you can combine it with any outfit do you have. New polyester webbing tape from YKK is extended UV strength stability, and long-lasting color vibrancy. Feeling so chewy when Neoprene Pad contact with your skin. The midsole is elastic and a good damper can reducing impact when heel strikes. We use different pattern on outsole rubber its more excellent grip and responsive on unpredictable terrain.