Ralph Lauren Polo Sport Crew Neck Knit Jumper In Navy A soft cotton knit jumper with a ribbed navy crew neck and ribbed cuffs and a ribbed waistband and a soft fleece material on the interior. The signature Ralph Lauren Polo Sport logo is printed on the centre of the chest in yellow and red with an American style flag printed below in red navy and white. 90% Cotton and 10% Polyester. Part Of The Brand New Range Of Ralph Lauren Jumpers Zip Tops And Pull Overs Live Online.