Amazon.com: 100% Pure Merino Wool Thermal Top. The Best Active Woolen Bloom Women Mock Neck Loose Sweater Pullover Long Sleeve Women's Twin Sets Amazon.co.uk Ladies Woolen Tops Ladies Wool Tops Latest Price, Manufacturers. The epitome of stylish winter wear, the HANRO Woolen Silk Long Sleeve Top is tailored from a blend of luxurious Merino wool and silk. Part of the HANRO Woolen Silk Collection, this functional men's long sleeve shirt was designed to be worn as thermal underwear yet is versatile enough to wear on its own. A flat finish edging around the scooped neckline, seamless sides, and longer shirt length provide a smooth look and comfortable fit.