Smartwool Classic Thermal Merino Wool Base Layer Leggings Black Mountain Smartwool Merino 250 base layer leggings provide exceptional warmth and comfort for cold-weather activities. Size XL. From Fall 2021. High performance leggings designed for outdoor activities such as hiking & skiing. 100% Merino wool with an interlock knit. They provide thermoregulation, moisture-wicking, and odor resistance to keep you warm and dry without bulk. Featuring a black & grey "Black Mountain Fairisle" or Aztec-style geometric pattern. Merino-covered elastic waistband and merrow seams to minimize chafing. Itch free! Smartwool's mid-weight Merino - a heavyweight first layer or lightweight mid-layer. Machine wash and dry! Great pre-owned condition. No holes! Very light pilling from normal wear. Gorpcore, Hiking, Outdoors, Skiing, Snowboarding, Training, Activewear, Athleisure, Aztec, Mountain Print From a smoke free home. Ships fast!