JW Anderson Mens Tops. Fashion category: Cardigans & Sweaters. SKU: KW0897 YN0262 929. Color: Grey. JW Anderson Grey Sim Card Crewneck Jumper. Crafted from a wool and mohair blend, this jumper features a crew neck, long sleeves, straight hem, intarsia knit and a Sim Card graphic knitted on the front. Wool 50%, Mohair 33%, Recycled Nylon 17%