Charles TyrwhittThis refined yet casual zip neck is crafted from pure, Wool mark certified Merino wool. Known as nature's performance fabric, Merino is comfortably breathable and temperature regulating and has the softest handle of any knitwear. We've gently washed it for an even silkier finish, resulting in a supple jumper that subtly moulds itself to your body. The styling is simple, letting the fine fibers take center stage. There's traditional ribbing on the