●Any Slope, Any Style | With an eco-friendly design, hybrid style, and stiff construction, the 4-Quattro SL is a highly versatile ski boot made to handle a variety of conditions in the resort or in the backcountry. ●Sustainable Shell | Constructed from a thermoplastic shell made of plant oil, the Pebax R-New shell retains its performance in cold weather and offers outstanding energy transfer. ●GripWalk Sole | Rounded, high-profile sole with a convex rib offers reliable grip on slick surfaces. ●Thermoformable Liner | Intuition 4Pro Flex SL liner is both warm and custom moldable for a precise fit and all-day comfort in cold conditions. ●Specs | [Weight] 3 lbs 2.4 oz (½ pair, size 27); [Last] 100 mm; [Flex] 120; [Range of Motion] 61°; [Binding Compatibility] GripWalk, TLT, AT; [Forward Lean] 17° ? 2°