Shift Alpha BOA 115 W's

SHELL

• Polyurethane: A material with consistent density that ensures perfect wrapping, reliable progressivity and good power transmission.
• Integrated tech inserts: Low-tech inserts are integrated into the shell, making it complementary to touring bindings, so you can experience reliability and direct power transmission when skinning up.
• Midgrip sole: A Contagrip® piece between the toe and heel and GripWalk pads improve the boot's grip in difficult terrain such as a rocky summits, ice and other uneven surfaces.
• Custom Shell™ HD: The Custom Shell™ HD process brings fast personalization to the boot lower shell of in 10 minutes. Thin wall construction & new materials allow the foot to be closer to the shell.
• Exobelt technology: The strong textile/plastic fastener and BOA® Fit System brings remarkable heel hold and prevents blisters during ascents, while ensuring precision and power during descents.

CUFF

• Frictionless pivots: Polymer bushings provide a completely natural cuff rotation for effortless movements on the way up.
• Freespine: This extremely sturdy plastic bar on the back of the boot links the cuff and lower shell to add a layer of reliable alpine progressivity to your freeride comfort.
• Twinlock mechanism: This redesigned SkiWalk and FreeSpine offer a wide range of motion and progressive alpine flex, while the horizontal closing position prioritizes safety and durability.
• PowerWedge: A little insert into the FreeSpine, the PowerWedge enhances your range of motion when unlocked and boosts power transmission when locked for an authentic alpine experience.
• Polyolefin + PEX

LINER

• Custom tongue: Fully dismantlable and entirely customizable tongue that allows for perfect instep height adaptation. You can add foams or remove materials where it's needed (+/-8mm).
• Light² footbed: Slightly shaped, lightweight footbed made of special, lighter foams.
• My Custom Fit™ Freeride 4D Pro: This pre-shaped liner offers an increased foothold and fit. Cushier foams and outside placement of the Talyn® ease adaptation, while the elastic toe box gives more space.
• Walk function
• Lace loops

STRAP

Screwed energyzer velcro 45mm: This easy to remove 45 mm thick strap holds the lower leg securely in place and optimizes power transmission, while an elastic section enhances rebound and progressiveness.

PADS

• Gripwalk premounted ISO 23223: GripWalk pads are premounted and their specific shape offers improved walking comfort and more grip no matter the conditions.
• Full rubber sole

SPECIFIC

Women cuff design: An anatomic cuff with lower rear support that offers a better fit and more comfort to women’s calves.

TIGHTENING

• 1 hiking hook: An additional hook on the top cuff's buckle expands the range of motion and mobility of the boot when it’s in hike mode, improving your comfort when heading up towards a peak.
• 2 screwed aluminium: Two screwable buckles that are easy to remove for bootfitting and repair purposes.
• 1 screwed BOA® Fit System: The BOA® Fit System delivers micro-adjustable, precision fit engineered to perform in the toughest conditions. It also offers superior heel hold and edge-to-edge control.

ADJUSTMENT

Screwed frictionless pivots