Crafted from an exceptionally fine blend of 16-gauge merino wool and mulberry silk yarns, the May Halterneck Wool and Silk Tank features a halter neckline and stretchy, fine ribbing throughout for a fitted shape. A lightweight, breathable piece perfect for layering. Designed for year-round wear. Model is 5'8 1/2 (174cm) and wears XS. Material: 70.9%Merino Wool 29.1% Mulberry Silk Hand wash cold with wool-friendly detergent or professional dry clean.