Take on backcountry terrain with Scarpa's Maestrale alpine touring ski boots. They feature a durable dual-density Pebax® Rnew Lambda Frame shell with a thermo-formable Pro Flex Touring liner, Finger Strap for easy operation with gloves and Speedlock® Plus ski-walk mode. Dual-density Pebax® Rnew Lambda Frame shell optimized for uphill and downhill performance Pebax® Rnew Thor cuff offers high torsional rigidity and air ventilation Pebax® tongue Thermo-formable Pro Flex Touring liner made with Intuition Foam locks ankle in place for a secure fit Wave closure system with two micro-adjustable buckles and ratcheting instep buckle Friction-free Speedlock® Plus ski-walk mode with 60-degree range of motion 35 mm touch-fasten power strap with embedded RECCO® reflector HRS instep and heel straps for a locked-in heel fit Top power strap with Scarpa Finger Strap and magnesium buckle allows for easy opening and adjustment, even with gloves on