Outdoor Research was founded on the X-Gaiter. Our first ever product, inspired by a frostbite fail on Denali, was the first of its kind. Built for the most extreme weather and encapsulated by a rugged, insulated interior with an easily-adjustable, and easy-to-repair instep strap. So naturally, the 2019 version of this industry-revolutionizing classic builds off this legacy of alpine protection with a few improvements: Unprecedented warmth, streamlined fit with minimal bulk, and an incredibly lightweight construction that's versatile enough to suit your favorite seasons and mountain sports. How did we manage to pack all that in?