Crafted from exceptionally fine 16-gauge merino wool, the Auden Merino Wool Mock Neck Top features a textured finish throughout. Lightweight, breathable, and genrously stretchy, it's designed for year-round wear. Model is 5’8 1/2 (174cm) and wears S. Sizing runs small. Size up if you are in between sizes. Material: 100% Merino Wool Hand wash cold with wool-friendly detergent or professional dry clean. Material: 100% Merino Wool Hand wash cold with wool-friendly detergent or professional dry clean.