OOSC’s baselayer tops are super comfortable & stretchy. They are the perfect fit, not too tight or too loose, ideal for a full day on the hill. The rolled turtleneck has a brushed fleece inside to keep you warm on those cold days & is breathable when it warms up. Made from recycled plastic bottles! Peachy soft insides, OOSC Fresh Tech for warmth and breathability, turtle neck with brushed fleece, made from breathable polyester and spandex. Suitable for skiing, gym, yoga, cycling.