Charles Tyrwhitt"This jumper is crafted from 100% Woolmark certified Merino wool and then garment washed to complete the feel. Merino sheep are hardy specialists, tackling every kind of weather in the mountains. This makes their fleece highly sought after for its natural temperature regulating qualities. This heavy weight favourite is perfect for the chilliest of days, with a cosy roll neck, deep, luxurious rib knit and ribbed cuffs and hem. It's versatile, too; easy