It stretches, breathes, wicks, and warms - no wonder so many serious trail and mountain athletes use and abuse Patagonia's Women's R1(R) Full-Zip Jacket. And the full-zip front makes it even more versatile, from a midlayer in winter to a lightweight jacket on early spring mornings and alpine summer evenings. Plus, the fabric is now even better: we worked with Polartec(R) to fine-tune the high/low interior grid polyester fabric (Polartec Power Dry(R)) into an updated exclusive that's more breathable and compressible and has improved feel and durability while still maintaining its warmth. Two zippered handwarmer pockets sit above the harness line, and offset shoulder seams steer clear of pack straps. Recyclable through the Common Threads Recycling Program.