Our Women's Intraknit?Merino 250 Thermal 1/4 Zip is here. This bulk-free, 100% Merino wool thermal layer brings a new dimension to active winter wear. With seamlessly integrated insulation and ventilation, perfectly articulated flex zones, and Merino wool comfort, it'll be the first thing you grab when you need a warmer layer for your high-intensity, cold-weather adventures.. . ?. . . Slim Fit. 100% Merino yarn provides the full power of Merino with unparalleled moisture management, insulation, thermoregulation, and odor control. Engineered construction uses knit structures to enhance performance with a sophisticated finish. Insulating terry loops are seamlessly paired with mesh ventilation in gender-specific zones designed to balance warmth and breathability. 3D mapping results in near custom fit and freedom of movement while ribbed elbows provide added durability. Knit-in reflective elements enhance visibility in low light conditions. 8.25 (21 cm) center front zipper. 100% Merino Wool. Weight: 252 g = 8.89 oz. Machine wash. Imported.