This is the standard XR series unisex model, for adults between 200-260 lbs (32-90 kg). It is also suitable for teens in this weight range. Its MULTI-SIZE liner with its expandable neoprene toe, adapts perfectly to several sizes. It features the new IPS spring which offers: A better performance Increased comfort New customizing possibilities A longer life span A 2 way safety feature with a locking system It has a durable hard shell boot with a comfortable, removable liner which can be machine washed