RALPH LAUREN Striped Merino Blend Pullover Sweater 31% nylon Rib-knit from a plush merino wool blend, this effortlessly chic striped pullover is designed with an alluring bateau neckline. Bateau neckline. Long sleeves with clean-finished cuffs. Clean-finished hem. 41% merino wool, 31% nylon, 28% alpaca. Dry clean.