"The light version of our classic performance fleece, this technical midlayer is all bang and no bulk. Designed to solve for a whole range of outdoor activities, its Polartec® Power Grid™ fleece fabric offers high breathability and efficient moisture management at an incredible warmth-to-weight ratio. With a lightweight construction, soft hand-feel, and close-to-body fit for easy layering, it’s the ideal style for ultimate comfort through the summer and tricky transition seasons." Only worn once, though great for layering. Fitted shape, warm. There are thumb holes at each sleeve, two large outside zipper pockets.