A soft and stretchy top for everyday comfort, the Merino 150 Siren long sleeve shirt with sweetheart neckline is made with icebreakers corespun jersey that is durable and silky soft against the skin. The Siren is ideal for wearing all year round, whether you're travelling, hiking or simply relaxing. It also features a flattering neckline and a slim fit. Inspired by nature, icebreaker harnesses the functional properties of natural fibres to offer an alternative to synthetic clothing. Merino wool is an annually renewable fibre that naturally counteracts odours. It cools in the heat and warms in the cold, allows the skin to breathe and ensures longlasting comfort. [TAB:Specifications]Corespun Merino a merino blend that regulates the body climate in all weather conditions.A soft and stretchy base layer for everyday comfort and easy layering, the Merino 150 Siren long sleeve shirt with sweetheart neckline features a snug fit and our corespun merino blend. 83% merino wool/ 12% nylon/ 5% elastane Trim only Wash on warm cycle in washing machine. Wash inside out with similar colours. Do not use fabric softener. Do not bleach. Do not tumble dry. Hang to dry in the shade on a washing line. Do not iron hot. Do not iron prints and accessories. Do not dry clean.