Full GORE-TEX liner with Invisible Fit Technology provides waterproof protection with improved flex, comfort, and breathability Integrated GORE-TEX gaiter comes over the ankle to extend waterproof protection and seal out snow, mud, and debris FC0 DWR (Durable Water Repellent) finish repels moisture and is PFAS-free TPU overlays on the upper reinforce high-wear areas for added durability Glove-friendly speed lace system tightens with a single pull for a fit that securely holds foot in place Lightweight, responsive, traction-device compatible EVA and Polyolefin midsole provides shock absorption and a responsive, predictable ride Vibram® Megagrip outsole with LITEBASE technology delivers durable, sure-footed performance across a range of conditions while shedding every gram possible Outsole is designed to work with traction devices and carbide spikes for winter traction Lug pattern is optimized for traction in mud and snow 19 mm stack height, 6 mm drop