The perfect day-to-night sweater. This polo neck sweater is knitted with a metallic thread for a subtle sheen, transforming it from wardrobe basic to an elegant choice for evening wear. Fit & Style. Slim fit. High neck. Sparkle yarn. Length: 58cm. Gia is 5"10 / 178cm and wears a size 8. Composition: 5% metallic, 35% acrylic, 28% wool, 22% polyamide, 10% polyester. length: mid.