Is this shirt good for hot weather running?

Yes. The polyester fabric is moisture-wicking and breathable, and the antimicrobial treatment helps control odor, making it suitable for warm conditions.

How does the fit compare to other Arc'teryx shirts?

It has a regular fit, but some reviewers find it runs slightly slim. If you prefer a looser fit, consider sizing up.

Does the shirt have UPF protection?

Arc'teryx does not list a UPF rating for this shirt. The fabric is thin and breathable, so it may not provide significant sun protection.

What sizes are available?

The shirt comes in men's sizes M, L, and XL. Availability may vary by color.

Is it machine washable?

Yes, it is machine washable. Follow the care label, and avoid fabric softeners to maintain moisture-wicking performance.

How does it compare to the Arc'teryx Cormac shirt?

The Norvan Downword is lighter and more focused on running, with a split hem and laminated neckline. The Cormac is slightly more versatile for general training.