Calvin Klein Boys Knit Sweater in size M features a 1/4 zip design with a striped pattern in red, black, and white. This tight-knit, long-sleeve pullover sweater is made of 100% cotton, suitable for winter and fall seasons. The mock neck and classic fit provide a casual style for boys, while the heavyweight fabric ensures warmth. Machine washable for easy care, this colorful sweater is a cozy option for young boys.