Men's Top Stripe Pattern Short Sleeve Knit T-Shirt Green This retro-inspired multicolored short sleeve knit sweater puts a bold and unexpected twist on the classic striped sweater. This 100% cotton sweater features neon green stripes on a dark green background and contrast green on the collar waist and sleeves. It offers just the right balance of moisture-wicking and coolness during the Spring and Summer season. Poplin & Co’s knit short sleeve sweaters are made from a fine gauge natural 100% cotton yarn making them rugged and durable, yet soft and cool to wear during the warmer seasons. They are highly breathable, moisture-wicking, and completely machine washable.