"Hybrid" boots are going nowhere and it is in large part due to boots like the Scarpa 4-Quattro SL Alpine Touring Boot. This boot takes a trusted 2-piece, 4-buckle design that boasts a 120 flex that is at the top of the power and stiffness category. We really like how they took this trusted design and slapped a versatile combination of a Gripwalk sole and tech inserts that let us trust these at the resort and in the backcountry.