Shares the same shell as the Expe. However, the Vertical uses one shell size down for the same fit.
Why? The Performance Fit liners in the Vertical are slightly thinner to deliver better technical ice climbing performance. Never fear: they're still toasty to -40F.
In fact, the Vertical is as warm as the competitions "expedition" boots, making them ideal for adventures in the lower 48. And Y-Technology ensures they'll hike as well as they climb