This is a Lululemon Here for Serenity Sweater in the colorway Night Diver / Blue Charcoal / Petrol Blue. It is in excellent pre-owned condition, but is missing the size tag. It is an estimated size medium, and the last three images show measurements. Rib-knit crewneck, long raglan sleeves, slightly cropped length, pullover style. Soft, warm, machine-washable Cashlu fabric made of 40% viscose, 30% nylon, 25% acrylic, and 5% cashmere.