SO this is where I get my shirts from, if you can't find it here let me know...
When it comes to T-shirts, I prefer Port and Company (pc61) and Gildan (2000)
Port Authority ® Women's Essential Rain Jacket L407
A year-round must-have, this fully seam-sealed 8K/5K waterproof, breathable 2.5-layer jacket has a DWR finish. It packs easily and gives great water-repellent, wind-resistant performance.
100% polyester shell bonded to a waterproof laminate film with DWR finish