This was my sons and feels a little tight on me, so we are passing it on. The logos have worn or washed off and there is at least one snag, could be others, check pics. Great cold weather base layer, all year mid layer and super running, CC ski, etc. top. I ordinarily wear a large, so this is a nice roomy medium or snug large.

Arc'teryx Phase AR Zip Neck Long Sleeve Baselayer Top: This lightly insulated zip neck base layer is engineered for optimal moisture management during stop-and-go activities. During active phases moisture is wicked across the entire garment, aiding temperature regulation. Entering a rest phase the broadly dispersed moisture evaporates quickly, speeding dry-time to keep the user warmer and more comfortable. Encapsulated silver-ions provide durable and long-lasting odor control in the Arc’teryx Phase AR Zip Neck Long Sleeve Baselayer Top.

Check my other items and perfect feedback thru 25 years on over 2100 transactions, and deal with total confidence.