The stripe detail on the sleeve of the Marker Power Stretch Zip T-neck provides a sporty look to a great piece that you will want to wear everywhere, all winter long. Marker pays attention to the details that make the perfect fit! Marker only uses Malden's Power Stretch, the highest quality in the industry for superior breathability, warmth, 4-way stretch, and wicking properties. The soft fleece inside keeps you warm and comfortable, while at the same time the durable outside surface provides great wind protection. So go ahead, at this price, buy two!