Warm up the sweetness of summer with the Check Knit Chunky Sweater! The Check Knit Chunky Sweater is one of our bestsellers and now back in a new color. The sweater is perfect for cool summer days and is made of 55% acrylic and 45% cotton in the Montana Knit that you may have seen before. The combination of elastic yarn at the hem, cuffs and neckline offers extra comfort and a nice look.