Icebreaker Siren Long Sleeve SweeTheart Top - Womens Black Large. Ideal for year-round use whether traveling hiking or relaxing after a big day outside the Siren Long Sleeve Sweetheart also features a flattering neckline and a fit thats perfect for everyday comfort and layering. Specifications for Icebreaker Siren Long Sleeve Sweetheart Top - Women's: Manufacturer: Icebreaker Sleeve Length: Long Sleeve Age Group: Adults Apparel Fit: Slim Gender: Female Color: Black Application: All Purpose Fabric/Material: 83percent Merino Wool 12percent Nylon 5percent Lycra Sleeve Type: Long Sleeve Weight: 1 lb Application: Layering Apparel Weight: Lightweight Features of Icebreaker Siren Long Sleeve SweeTheart Top - Women's Merino Corespun - durable merino blend regulates body temperature in all weather conditions. Package Contents: Icebreaker Siren Long Sleeve SweeTheart Top - Women's Icebreaker IB103194001L: Siren Long Sleeve SweeTheart Top - Womens Black Large