Mandevilla Bsby Always Worth It. As an activewear staple or layer for brisk mornings, this half-zip pullover packs plenty of versatility. A high neckline keeps the chill away while UPF 50+ fabric protects against harmful rays. The cotton blend terry fabric is infused with silky modal for superior softness. Straight fit, pullover, machine washable, terry popover. Fits against body at chest and hip with more room at the waist. Luxe Terry (56% Cotton, 38% Modal, 6% Spandex). Machine wash cold, delicate cycle, separately.