This is the perfect option for ski tourers with high volume feet whove previously struggled to get comfortable AT boots. Grilamid construction is lightweight for the way up but provides plenty of power on the way down. Powerlite technology means an impressive 60o of articulation. A simple yet effective Rear Hook ski/walk mechanism requires minimal effort yet is strong and dependable. The mouldable PWR Lite High liner improves the fit and comfort; full length Vibram soles increase grip.