I bought two WoolX tee options for South America trek. Same fabric, different cuts. This XS option was too big for me (5'4", 100 lbs); I kept and love the WoolX Mia: https://www.amazon.com/Woolx-Mia-Tee-Lightweight-Moisture/dp/B00TLIGRGI. If you're also looking for hiking shirts, I recommend you try both to see what works best on your frame (maybe it's both!). My other shirt has held up beautifully, so I'm sure this would as well.