A breathable, compressible, stretchy, high-loft Regulator® fleece jacket, the R2® Jacket provides superior lightweight insulation under a shell. Excellent warmth-to-weight ratio; compressible, breathable and stretchy. Directional knit wicks moisture and speeds dry time. Collar and chin flap lined with Polartec® Power Stretch® fabric (recycled polyester) for next-to-skin comfort. Polartec Power Stretch fleece panels under the arms allow for a close fit, improved motion and better durability in high-wear areas. Zippered pockets: two handwarmers, one left chest. Shoulder seams set forward for pack-wearing comfort. Body: 6.1-oz Polartec® Thermal Pro® 97% polyester (64% recycled)/3% spandex. Side panels: 6.6-oz Polartec Power Stretch® 88% polyester (60% recycled)/12% spandex. 371 g (13.1 oz) Made in Colombia.