An updated the fit on the Men's Classic Thermal Merino Base Layer 1/4 Zip improves functionality while also enhancing aesthetics. As one of our heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as help keep you comfortable and temperature-regulated as you enjoy high-intensity skiing, hiking, running, and more. Merino 250This heavier, soft, 100% Merino wool fabric offers breathable warmth, moves sweat away from the body, and provides next-to-skin comfort in colder conditionsFeatures Slim fit is intended to follow the contours of the body 100% Merino wool fabric made with an interlock knit for enhanced comfort, breathability, thermoregulation, and odor resistance Flatlock seam construction and offset shoulder and side seams designed to increase comfort and minimize chafing Side seams wrap to front for body-enhancing fit 10" (25 cm) centre-front zipper with semi-locking slider Weight: 0.298 kgs Fit: Slim Country of Manufacture: Vietnam Composition100% Merino Wool. Exclusive Of Decoration. Model is wearing a size Medium. Model's measurements: 185 cm Height, 101 cm Chest, 89 Arm Length, 81.5 cm Waist.CareMachine Wash Warm Gentle Cycle. Wash With Like Colours. Do Not Bleach. Tumble Dry Low. Cool Iron As Needed. Do Not Iron Decoration. Do Not Dry Clean SW016356  Smartwool Men's Classic Thermal Merino 250Base Layer Top 1/4 Zip (Deep Navy)