evo.com | Arc'teryx Shoes > Cold, wet, and icy conditions are where most trail runners tap out, but it's where the Arc'teryx Norvan 4 Nivalis Shoes thrive. Their sealed GORE-TEX upper and over-ankle gaiter locks out snow and slush without sacrificing breathability, while a Vibram Megagrip outsole with 6mm lugs handles snow and mud with authority. Winter running, sorted. Dual-Density Midsole Dual-density midsole material and construction combine cushioning with lasting shock absorption and support for all-day comfort and stability on rugged terrain. Vibram(R) Megagrip Outsole With LITEBASE Technology Delivers durable, surefooted performance across a range of conditions while shedding every gram possible. 6mm Lug Pattern Mud-releasing custom 6mm lug pattern provides grip on hardpack and bite on soft trails. GORE-TEX Upper The GORE-TEX upper cover and over-ankle gaitor work together to seal out snow, slush, and rain, while maintaining breathability and comfort in cold, wet runs. TPU Reinforcement Zones Flexible laminated TPU reinforcement zones add protection and abrasion resistance | Women's Arc'teryx Norvan 4 Nivalis Shoes 2026 - 8.5 Black