A soft and stretchy long sleeve T-shirt for everyday comfort and layering, the Siren Long Sleeve Sweetheart features a slim fit and our corespun merino wool blend fabric.Features:- Merino Corespun merino blend regulates body temperature in all weather conditions.Specifications:- Fabric content: 83% Merino Wool, 12% Nylon, 5% Elastane, Exclusive of decoration- Weight: 123 g / 4.33 oz- Warmth system: 150 UltralightCare:- 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.