What Our Gearhead(R) Experts Are Saying: "I've been touring and charging in the Shift Supra BOA 105 W, and it's the perfect balance-stiff enough to really drive the ski on descents, but still super comfortable and efficient uphill. The BOA closure is a total win for micro-adjusting and keeping the foot locked in without pressure points." For big lines, skintracks, and everything in between, the Salomon Shift Supra BOA 105 W Boot offers powerful downhill control with touring comfort built in. Designed specifically for women pushing deep into sidecountry and backcountry terrain, this boot brings a responsive 105 flex and seamless fit adjustment to every mission. The new Dual BOA(R) Fit System on the lower shell allows micro-tuning without pressure points, delivering secure hold and all-day comfort-especially useful while skinning. The Coreframe-enhanced shell with Custom Shell HD heat molding adapts to your foot for max precision and energy transfer. Paired with tech inserts, GripWalk soles, and a frictionless walk mode, the Supra BOA 105 W is built for wherever the mountain takes you.