Patagonia

Features

1. Durable, stretchy and breathable Polartec® Power Grid® fabric is hybridized with Capilene® Thermal Weight base layer fabric to reduce bulk and make this layer even lighter
2. HeiQ® Pure odor control to keep things fresh
3. Hybrid design boosts warmth around your chest and shoulders, while venting extra heat and improving breathability at back and underarms
4. Fabrics offer outstanding stretch and increased mobility
5. Anti-pilling finish
6. Slim fit with a center-front zipper and low-profile zipper garage at the chin for next-to-skin comfort; a low-bulk hem makes for easy layering
7. Low-profile shoulder seams offer chafe-free comfort under a pack
8. Zippered left chest pocket with a mesh pocket bag for breathability
9. Made in a Fair Trade Certified™ factory, which means the people who made this product earned a premium for their labor
10. Fabrics are certified as bluesign® approved