They run large.

By maxpitt1956724 Ranked #540 - Men's Performance Shirts - Short Sleeve September 16, 2008

I ordered a medium and it was still loose. Usually wear a large for normal fit and a medium for tight. This is definitely not one of the form-fitting-type undershirts. Good shirt though!

View Details: Marmot Mesita Shirt - Short Sleeve - Men's

Helpful Votes: 0 Yes | 0 No