Meet Circaloft—our new lightweight, highly packable, synthetic insulation line. With an impressive warmth-to-weight ratio, fully recycled body fabrics, adjustable hood and the ability to stow in its right hand pocket (or external stuffsack), the Men’s Circaloft ¼-Zip Pullover is a versatile, go-to layer built for the great outdoors As one of our Circular Design styles, solid color options are made with sustainably conscious materials and recyclable when you get it back to us.