A soft and stretchy tank top with a sleek, feminine design for everyday layering comfort, the Siren Tank features our durable and incredibly soft corespun merino wool blend fabric.FeaturesMerino Corespun - durable merino blend regulates body temperature in all weather conditions.Specs Product weight: Small= 77 g / 2.71 oz Back High Point Shoulder to Hem: 64.9cm based on size M Fabric content: 83% Merino Wool, 12% Nylon, 5% Elastane Fabric weight: 150 Ultralight Care: Machine wash warm. Wash inside out with like colors. Do not use softeners. Fasten all closures to wash and dry. Do not bleach. Do not tumble dry. Line dry in shade. Warm iron. Do not iron print, trims and accessories. Do not dry clean.