Lange’s all-mountain RX 100 W has a race-inspired mono-injected shell with a neutral and upright stance designed to reduce fatigue and provide better power transfer to rockered skis. A heat-retaining Thinsulate Control Fit liner reduces pressure points with strategic padding. Ultra Grip soles, a one-piece toe box and saddle stitched seams make the boots more user friendly. The RX 130 comes with a 100-mm last or lower volume 97-mm last, but both models have a women’s-specific short cuff.