Ralph Lauren Crew Neck Knit Jumper In Black Marl, Slim Fit. A washable merino wool knit jumper with a ribbed crew neck and a ribbed design to the cuffs of the long sleeves and waistband. The signature Ralph Lauren Polo Player logo is embroidered on the left of the chest in grey. 100% Merino Wool. Part Of The Brand New Range Of Ralph Lauren Jumpers, Zip Tops And Pull Overs Live.